Our Team
Board of Directors
Ben Dear
Ben founded Osmosis following the financial crisis of 2008 believing there was an opportunity to change the way capital is allocated as a force for good. With the intent of growing a globally recognised brand within the asset management industry, Ben sought a sustainable investment solution that would work for the economy and the environment and thus encourage mainstream adoption.
One of the first advocates of a quantifiable approach to sustainable investment, Ben is a regular speaker and panellist on the role of environmental data in the sustainable transition.
Graeme Stephen
Graeme has been in the financial services industry for more than 25 years specialising in fund management in the alternative sector. After seven years with Clifford Chance, Graeme joined Man Investments where he was one of the original directors responsible for Corporate Finance, Legal, Structuring & Compliance, developing products for global distribution. He built a pro-active compliance team responsive to multi-jurisdictional regulatory requirements.
Graeme is a professional securities lawyer. He has created his own insurance business in London and maintains his professional standing as a solicitor with the Law Society.
Sandra Robertson
Sandra is the founding Chief Investment Officer and Chief Executive Officer of OUem. As Chief Investment Officer, Sandra has discretion for all investment decisions. As Chief Executive Officer, she is responsible for implementing the overall strategy of the business and ensuring the success of the company. Sandra also sits on the Board of OUem. Sandra is a fellow at Oriel College, Oxford, a Commissioner for the Royal Commission of the Exhibition 1851, and a member of the Investment Committee of the Nature Conservancy.
Sandra has been recognised by several industry awards for her expertise in endowment investing, including a Private Equity Trailblazer award from Women in Private Equity, Power 100 CIO, Top 100 Most Influential Women in Finance, and 100 Women in Finance’s European Industry Leadership Award.
Stefanie Drews
Stefanie Drews was promoted to the role of President of Nikko Asset Management in April 2022. With a deep commitment to sustainable investing and a wealth of experience in international financial markets, she uses her strategic ability to lead the company’s expansion both within Japan and in key financial markets around the world. The first female foreign leader of a Japanese financial firm, Stefanie’s rise is ground-breaking. Joining in 2014, she worked her way up, leading eight different functions, driving innovation, digitalisation, and integration firmwide from the bottom-up.
She graduated from Oxford and Harvard and speaks five languages. Stefanie was the only member not based in the US to be selected by Pensions & Investments for its inaugural class of Influential Women in Institutional Investing and was later named CEO of the Year Japan, by Asia Asset Management.
Michael Even, CFA
Mike Even is an investment professional with over 35 years of industry experience and is a member of the Osmosis Investment Oversight and Development Committee. Most recently, Mike was the Chairman of Man Numeric Investors in Boston and was a member of the Man Group Executive Committee. He joined Numeric in 2006 and served as President and CEO until December 2016. Prior to joining Numeric, Mike worked for Citigroup for nine years building a global asset management organisation. After Citi merged with Travelers, he became global CIO of the Private Bank and eventually, global CIO for and Co-Head of Citigroup Asset Management, overseeing investment teams running more than $500B in client assets.
Mike received a Bachelor of Arts degree in economics, a Bachelor of Science degree in operations research from Cornell University and a master’s degree in business from the Massachusetts Institute of Technology. Mike is a CFA® charterholder.
Michaela Edwards, CFA
Michaela Edwards is a Partner and member of the Investment Committee of Capricorn Investment Group. Prior to joining Capricorn in 2019, she spent nine years as a Senior Portfolio Manager with Norges Bank Investment Management, the sovereign wealth fund of Norway, where she sourced, constructed and managed a two billion dollar global environmental portfolio in addition to mandates in Latin America and developed markets. Prior to Norges, Michaela worked as a research analyst for Russell Investments in London and New York.
Michaela received an MSc in Investment Management from Cass Business School in London and her Bachelor degree in International Business from Oslo University College. She is a CFA charter holder.
Investment Management
Robbie Parker, CFA
Robbie is the Chief Investment Officer at Osmosis as well as Chair of the Osmosis Investment Oversight and Development Committee. He has direct responsibility for the investment process as well as research and development initiatives. Robbie’s expertise lies within non-traditional, sustainable alpha sources and integrating those within quantitative frameworks. Robbie has worked with clients to develop and launch multifactor funds that target an uncorrelated alpha source whilst significantly reducing a portfolio’s environmental impact. Such portfolios have committed capital in excess of USD 13 billion.
Robbie holds a BSc in Geography and Economics from the London School of Economics and has achieved the CFA designation.
Drew Spangler, CFA
Drew has over 25 years of experience in the investment management industry and is a member of the Osmosis Investment Oversight and Development Committee. Prior to joining Osmosis, he spent 24 years with GMO in Boston. From 2011 to 2017, he was the senior portfolio manager responsible for international fundamental equities. In a prior role, he served as the senior quantitative analyst supporting the fundamental international equities team as well as the portfolio manager responsible for the energy, mining and utilities sectors. He has extensive experience with fundamental investment analysis, quantitative investment analysis, security valuation, financial modelling, risk measurement and portfolio construction.
Drew received his Bachelor of Science in Applied Mathematics and Bachelor of Arts in History, both from Washington University in St. Louis, Missouri. He has earned the Chartered Financial Analyst designation (CFA charter) awarded by the CFA Institute.
Alex Stephen
Alex has over 25 years of experience in financial markets, including 20 years of experience in managing client portfolios. In his current role at Osmosis, Alex leads the portfolio management and execution teams. Before his time at Osmosis, Alex spent eight years in Australia, working with Redpoint Investment Management, a quantitative equity boutique and Antares Equities. Prior to leaving the UK, he worked for eight years as a portfolio manager at Legal & General Investment Management (LGIM), managing a number of index portfolios.
Alex holds a BA in Economics and Philosophy from Southampton University and holds the Investment Management Certificate.
Elie Salman, CFA, FRM
Elie oversees the investment risk of Osmosis’ products and analyses their performance, making sure they adhere to the investment strategy and clients’ risk requirements. Prior to joining Osmosis, Elie worked as a Product Manager at Style Analytics, where he focused on developing and testing fundamental and ESG factor performance and risk models used by tier one and tier two institutional consultants and asset managers.
Elie has a BSc in Investment, Finance and Banking, an MSc in Finance, and MSc in Data Science & Machine learning, and a graduate certificate in Mathematics and Statistics. He has also earned the Chartered Financial Analyst designation (CFA charter) awarded by the CFA Institute, and holds the FRM (Financial Risk Manager) designation issued by the Global Association of Risk Professionals (GARP).
Lakshman Sathananthan, CFA
Lakshman joined Osmosis in 2017, and works within the Portfolio Management team. He is actively involved in the day-to-day managing and oversight of the various strategies. Lakshman has played a key role in the creation of new strategies for Osmosis over the years, including new regional, ex-fossil-fuel and emerging market products, as well as tailoring portfolios to meet investor restrictions. Previously he worked within the Environmental Research team looking at corporate environmental data and analysing sector trends.
Lakshman holds a Bachelor’s degree in Economics from the University of Nottingham and has earned the Chartered Financial Analyst designation (CFA charter) awarded by the CFA Institute.
Shikhar Verma
Shikhar has worked at Osmosis for over seven years, sitting within the Portfolio Management team. He’s actively involved in all aspects of portfolio management, from strategic development to hands-on implementation, as well as contributing to the launch of our newest offerings. He was an important contributor to the launch of our Emerging Markets Strategy and recent ETF products. Prior to his portfolio management work, Shikhar worked within the Environmental Research team gathering environmental data for the Model of Resource Efficiency.
Shikhar holds a Bachelor’s degree in Business Administration and an MSc in Accounting and Finance from Queen Mary, University of London. He recently completed Level II of the CFA and is working towards Level III.
Investment Research
Lennart Hermans
Prior to joining Osmosis, Lennart was a Senior Technical Officer at the Carbon Disclosure Project (CDP), where he developed assessment methodologies for corporate disclosures on climate change, water security and deforestation. Lennart also led work on developing reporting frameworks with the Global Reporting Initiative (GRI) on waste and with the European Commission on best environmental practices targeting high impact sectors.
Lennart holds a Master in Social Entrepreneurship from Hult International Business School and a MSc. in Bioscience Engineering from the KU Leuven, including a semester abroad at the University of Natural Resources, Vienna.
Dr. Tom Steffen
As head of Osmosis’ quantitative research, Tom leads the team’s research efforts focused on model improvements and alpha opportunities within sustainability data. His work bridges the research and investment functions, demonstrating the connection between Resource Efficiency and stock returns across global markets and the uncorrelated nature of the factor to traditional market patterns. Previously, he was a postdoctoral fellow at the Geneva Finance Research Institute, studying responsible investment strategies and ESG impacts on portfolios. Tom’s research appears in academic journals.
Tom holds a Ph.D. in Financial Market Microstructure, an M.Sc. in Carbon Finance from the University of Edinburgh, and a B.Sc. in Business Administration from the University of Mannheim.
Jamie Padkin, CFA
Jamie leads the team working on the expansion of Osmosis’ offering into the Emerging Markets. He works closely with corporate environmental data, and the effective utilisation of this data in portfolio construction. Jamie authored a popular research piece on ‘The Obstructive Role of Scope 3 Emissions Data in Portfolio Construction’, which explored the environmental and financial implications of using estimated emissions data in the creation of portfolios.
Jamie holds a BSc in Chemistry from the University of Birmingham, the CFA Certificate in ESG Investing, and is a CFA Charterholder.
Mavis Chan
Mavis researches ways to continually optimise and implement model improvements to the Osmosis Resource Efficiency factor. Her work illustrates the economic and environmental rationale behind the unique three-factor approach at Osmosis. Her projects have included linking Resource Efficiency to companies’ financial characteristics, as well as comparing and contrasting the dynamics between the factor and traditional style factors. She also works closely with the wider Research team and Portfolio Management team to examine how the factor has evolved over time across both developed and emerging markets.
Mavis holds both a BA and an MSc in Physical Natural Sciences from the University of Cambridge. She has also had prior experience within the sales & trading division of an investment bank in London. She recently completed Level I of the CFA and is working towards Level II.
Benjamin Stimpson
Benjamin works on the collection and analysis of environmental data, along with a focus on Osmosis’ active ownership strategy. Benjamin has a particular interest in the relationship between companies and biodiversity. He is a published author on the impacts of oil extraction on wildlife and is working towards a doctorate on the comparability of corporate biodiversity impact metrics. Prior to joining Osmosis, Benjamin also conducted academic research on sovereign green bond policy and corporate SDG prioritisation.
Benjamin holds a BA in Biological Sciences from the University of Oxford, an MSc in Environmental Technology (specialising in Environmental Economics & Policy) from Imperial College London, and is currently a DPhil candidate at the University of Oxford, connected to the Department of Biology and Saïd Business School.
Alienor Hammer
Alienor joined the Environmental Research Team in 2021. She works on projects to refine the Model of Resource Efficiency, most recently on the integration of a real estate sector, as well as Scope 3 categories where relevant. She leads on content creation in the environmental team, using her background in science communication. She is currently researching the possibility of an implementation of biodiversity-related metrics into portfolios. She has a deep understanding of environmental data and reporting from previous experience at CDP.
Alienor holds a BSc in Environmental Policy with Economics from the London School of Economics, an MSc in Marine Systems and Policies from the University of Edinburgh, and an MSc in Science Communication from Imperial College London. She completed the CFA Climate Change Investing Certification and the Investment Management Certificate.
Lily Andrews
Lily is part of the team investigating environmental disclosure in the Emerging Markets, alongside her focus on Osmosis’ active ownership strategy. This includes proxy voting and engagement to improve environmental disclosure, as well as research on evolving regulation and its affect on sustainability reporting. She has authored a number of articles, including ‘Could EU Anti-Subsidy Measures do More Harm than Good?‘. After finishing her masters in 2022 she worked for the Value Reporting Foundation, aiding its consolidation into the ISSB and commitment to improving the international applicability of the SASB and TCFD standards.
Lily holds the CFA Climate Change Investing Certification and has an MA in Climate Science from Columbia University’s Climate School in New York City. She also holds a BA in Geography from the University of Leeds, with additional recognition from a quantitative research scholarship she was awarded from The Nuffield Foundation during her final year.
Jonathan Mancer
Jonathan joined Osmosis in 2023 and is a member of the Environmental Research team, specialising in Emerging Markets. His work centres on analysing industrial processes through an environmental lens and employing data visualization techniques to drive impactful research and deliver meaningful insights. Additionally, Jonathan actively participates in engagement initiatives on environmental disclosure and sustainability, with a focus on company-level decarbonisation strategies.
Jonathan holds an MSc in Environmental Technology from Imperial College London and a BSc in Environmental Science from the University of British Columbia. He has completed the CFA Certificate in Climate and Investing.
Milena Agüero Memmel
Milena focuses on environmental data in the Emerging Markets. She is responsible for the validation of disclosed corporate data and engagement with companies to improve their transparency. Milena has authored research pieces exploring effective engagement approaches in the Emerging Markets, as well as deep dives to analyse trends on a sectoral basis. Prior to Osmosis, Milena worked in environmental and social risk analysis of high-risk corporate client portfolios at Banco Continental in Paraguay. She also worked on the selection process of eligible projects recognised by the Green Bonds Principle and the Social Bond Principle for the Bank’s first sustainable bond issuance in international markets.
Milena holds an MSc in Environment and Development from the University of Leeds, with a focus on the Global South. She also holds a BSc in Environmental Engineering from Universidad Nacional de Itapúa, with a semester abroad at UFPR, Brazil. Milena is currently studying for the CFA Climate Change Investing Certification.
Suzanne Moore
Suzanne works closely with the Environmental Research team to extract, clean, validate and standardise corporate environmental data. An experienced research analyst, Suzanne has previously worked at various European investment banks conducting fundamental analysis, financial modelling and equity valuation on publicly listed European equities.
Suzanne holds a MA (Hons.) in Economics from the University of Edinburgh and has completed the CFA Level 1.
Mark Ingham, CFA
Mark works as a quantitative developer and researcher and is responsible for developing and maintaining Osmosis’ quantitative research systems and models as well as conducting alpha-signal research. Mark is a highly experienced quantitative researcher and portfolio manager, having spent 14 years at GMO, four as a quant analyst and ten as a portfolio manager. During this time, he created and managed various funds including the GMO Quality and GMO Tactical Opportunities Funds. He was also Head of the Emerging Equities Quant Team for four years.
Mark gained his Master in Mathematics from Oxford University and is a CFA* charter holder. Mark also serves as an external adviser to Kidney Research UK, the UK’s largest funder of kidney research.
Business Development
Anthony Chisnall
Anthony has over 20 years’ experience in Asset Management and Investment Banking. Having spent most of his career as a Fund Manager, he has extensive investment and product knowledge, which he has successfully leveraged in his more recent client relationship and business development roles. Anthony was Head of Investor Relations at Gulf International Bank Asset Management, where he oversaw the Bank’s relationships with Institutional Investors, Sovereign Wealth Funds, Family Offices and Investment Advisors. Prior to this, Anthony worked for Bank of Boston in the U.S., HSBC, and Barclays.
Anthony received a B.A (Hons.) in Business Studies from Kingston University, where he specialised in finance and quantitative methods. He wrote his dissertation on “Short-termism in the UK Stock Market” which remains one of the biggest challenges to sustainable investment today. Anthony recently completed the CFA ESG Certification.
Susan Hunnisett
Susan heads Investor Relations at Osmosis. Susan started her career in finance in Switzerland. She spent five years at Hinduja Bank in Geneva as Head of Marketing and Communications before she moved to London to pursue Business Development with S.W. Mitchell Capital. She joined Osmosis in April 2019.
Susan read Politics at the University of Guelph, Canada, with an emphasis on International Relations. She spent semesters at the Jagiellonian University in Kraków, Poland and the Cité Internationale Universitaire de Paris in France.
Richard Pace
Rich has 22 years of experience working across both the traditional and alternative asset management industry in Business Development and Investor Relations roles. Prior to working for Osmosis, Rich was the Chief Marketing Officer for Columbus Circle Investors overseeing all aspects of institutional marketing, business development, and investor relations for the firm’s $15 billion alternative and long-only institutional client base. This included working with Corporate and Public Pension Funds, Endowments, Foundations, Fund of Funds, and Multi-Employer Pension Plans.
Rich holds a Bachelor of Science in Finance from Providence College.
Dounia Chanchorle
Dounia has experience in client services, relationship management, ESG analysis, and sustainable investing. She has worked with institutional clients across EMEA, supporting asset managers and consultants in integrating ESG factors into their investment strategies. Prior to joining Osmosis, Dounia worked as a Senior Client Consultant at Style Analytics, focusing on factor analysis, driving the development of ESG tools and providing insights into portfolio monitoring for environmental and impact-driven clients.
Dounia holds a Bachelor’s degree in Business Management from the University of Exeter, including a year abroad at Waseda University in Tokyo, and a CFA Certificate in ESG Investing. She is currently working towards becoming a Chartered Financial Analyst.
Marketing Communications
Lisa Harrison
Lisa has 20 years’ experience working across sales, client service and marketing, principally within asset management. Lisa developed an interest in responsible investment early on in her career when she worked for the UK’s first ever pooled SRI fund run by Friends Provident. She later held positions at LGIM, Aviva Asset Management and most recently BlackRock product marketing, where she focused on content strategy for multi-asset and ESG.
Lisa has an LLB in Law from Southampton University and holds the Investment Management Certificate.
Naomi Fisher
Naomi has over 5 years experience in supporting roles across various sectors and is the Executive Assistant to the Co-Founder of Osmosis, Ben Dear. As well as supporting Ben, she also assists the wider team with administrative tasks as needed.
Naomi studied Performing Arts at Northbrook College, achieving a Distinction.
Holly Henson
Holly’s role in the Marketing team covers a broad range of functions. She is responsible for the upkeep of marketing collateral and periodical reporting, as well as ongoing improvements to Osmosis’ digital presence through the website and social media. She contributes to event and campaign planning, including the recent launch of new products and business areas. Prior to joining Osmosis, Holly worked at EFG Asset Management, where she focused on event organisation and communications.
Holly has a BSc in Geography from Durham University, authoring a dissertation investigating mining pollution in the North East of England. She is currently studying for the Investment Management Certificate.
Finance, Legal & Operations
Andrew Harmer
Andrew has 20 years’ experience, principally within financial services. Prior to joining Osmosis in 2014, he held senior finance positions in John Laing plc, as Group Financial Controller and company director and, prior to that, in Man Group plc., heading up the development of financial and regulatory reporting for the Alternative Investments business.
Other experience has included retail banking, insurance and precious metals trading and refining. He is a Fellow of the Institute of Chartered Accountants England & Wales, holds an MBA and a Bachelor of Science in Mechanical Engineering.
Nevelon Cheand CGMA
Nevelon has over 20 years’ experience in investment management. Prior to joining Osmosis in 2018, he worked for Harmonic Capital Partners, a global systematic hedge fund, as the Head of Operations.
Nevelon holds a BSc in Mathematics from the University of Leeds and is a member of the Chartered Institute of Management Accountants and an Associate Chartered Global Management Accountant (CGMA). He also holds Investment Management Certificate (CFA UK).
Jake Atkins
Jake has worked at Osmosis for over 4 years, joining as an Operations Analyst. He is actively involved in the day-to-day management and oversight of the Operations team, as well as contributing to the implementation of our newest offerings – most recently playing a key role in the launch of Osmosis’ ETF products. Prior to this, Jake worked as a Portfolio Administrator at Unigestion Asset Management, specialising in Equities and Trade Processing. He started his career in Finance at a South African Stockbrokerage in Trading Operations in 2016.
Jake holds a BA(Hons) in Philosophy.
Liam O’Connell
Liam joined Osmosis in May 2021 as a Performance Analyst. He manages Osmosis’ performance and NAV database, overseeing data distribution to third parties and working on the maintenance and improvement of the infrastructure. Liam also supports the wider business, including marketing and client services, through the delivery of specialised investment analysis and tailored reports. Prior to joining Osmosis, Liam spent a placement year in the Treasury Solutions department of Link Group where his role included developing and maintaining financial models and economic report writing.
Liam holds an MSc in Finance and Investment from the University of Exeter and a BSC in Politics and Economics from Aston University. Liam recently passed the CFA Level I and is working towards Level II.
Graeme Stephen
Graeme has been in the financial services industry for more than 25 years specialising in fund management in the alternative sector. After seven years with Clifford Chance, Graeme joined Man Investments where he was one of the original directors responsible for Corporate Finance, Legal, Structuring & Compliance, developing products for global distribution. He built a pro-active compliance team responsive to multi-jurisdictional regulatory requirements.
Graeme is a professional securities lawyer. He has created his own insurance business in London and maintains his professional standing as a solicitor with the Law Society.
Tristan Salomon
Tristan works within the Operations team at Osmosis. His role includes reconciliation, trade processing and exception management. Prior to joining, he was an Analyst at Commodity Focused Hedge Fund Svelland Capital, working within Operations, Marketing and Investor Relations.
Tristan holds a BSc in Economics from Royal Holloway, University of London.
Lisa Jackson-Hunt
Lisa joined Osmosis as HR Business Partner and has 18 years of HR experience within the Financial Services industry. Lisa’s last role was at Aaro Capital where she developed and then managed their HR function. Lisa has also worked as a HR Business Partner for both Partnership Assurance and BlueCrest Capital Management, supporting their leadership teams with their people and culture strategies.
Lisa holds a BA in English Literature and English Language from the University of Essex. Lisa was awarded chartered MCIPD status in 2016.
Robert Lappalainen Koinberg
Robert has three years of experience in global pre-transactional, reputational, and ESG risk due diligence. Prior to joining Osmosis, he was an Associate at Kroll, a US-headquartered financial and risk advisory firm, where he was primarily responsible for his division’s public record research in Danish, Norwegian, and Swedish. He has helped numerous financial and corporate clients identify regulatory and reputational risks associated with global ethics and compliance obligations.
Robert holds a BA in Political Science and History from McGill University.