Meet Our Investment Team
“No man is more powerful than a machine…but no machine is more powerful than a man with a machine.” ~ Paul Tudor Jones
SIMON NOCERA, Founder, CEO, and Managing Partner

Simon is an experienced entrepreneur with over 30 years of experience managing global and emerging markets funds across all asset classes. Simon founded Lumen Advisors and Lumen Global Investments and was Managing Partner and CIO for the Lumen Global Value Fund (Emerging market hedge fund) and various separate accounts. Simon has developed the Lumen Global Value Compass, an unbiased measure of implied value across all asset classes globally, the engine that powers R4A.
Simon co-managed the Gavekal Global Equities UCITS Fund in 2017. Prior to Lumen Advisors, Simon was the Co-chief investment officer, global emerging markets debt and Managing Director of Dresdner RCM Global Investors. He previously worked at Soros Fund Management as an advisor and portfolio manager for the Quantum Emerging Growth Fund. Prior to that, Simon was CIO for Emerging Market Fixed Income at LGT with total assets of over $1.5 billion and earlier served as a Global Strategist for Putnam’s fixed income group, where he built the EM business to over $1bn. From 1984 to 1992, Simon was an economist at the International Monetary Fund and an economist for the European Economic Commission, working as a technical advisor for Sub-Saharan African Governments.
In 1994, Simon was named the “Best Manager of the Year” by Business Week magazine, and in 1996 his fund was awarded the Five Stars ranking by Morningstar. In 2005, the Lumen Global Value Fund, Ltd. was named the best Relative Value Strategy by Global Fund Analysis. Simon sits on the Advisory Board of the Master of Science Program in Financial Analysis and Investment Management at the School of Economics and Business Administration at Saint Mary’s College.
Simon received his Doctor in Economics from the University of Milan, Italy and his Electronics Engineering degree from I.T.I.S., Vimercate, Italy.
MARIANNE O, CFA, Co-founder, Partner & Portfolio Manager

Marianne is a Co-Founder, Partner, and Portfolio Manager at Lumen Advisors/Lumen Global Investments in San Francisco. LGI is an investment organisation and InvestTech that leverages data and technology for detailed global asset allocation and builds personalised, best-outcome portfolios and risk management. At LGI, Marianne leads investment research and portfolio and data management. She is also a Co-Founder, Partner, and Portfolio Manager of Lumen Advisors, LLC, an investment management and advisory company formed in San Francisco in 2002. Lumen’s global value hedge fund, led by Dr. Simon Nocera, won the best Relative Value Strategy from Global Fund Analysis in 2005.
Marianne has been researching and investing in global developed and emerging markets across equities, bonds, currencies, and commodities in the U.S. for 25 years and also spent 5 years in Hong Kong in Loan Syndication, working with Asian borrowers across multiple industries.
Her investment and finance career spans mutual funds, institutional accounts, hedge funds (global macro), and global banks in firms including G.T. Global (LGT), Dresdner RCM Global Investors, Tradewinds Financial, Gavekal Capital, and Citicorp International Limited, Hong Kong.
She is a Chartered Financial Analyst (CFA) and received her MBA in Finance from UC Berkeley Haas School of Business and her M.A. and B.A. (HONS) in Economics from the University of Cambridge, U.K. She chairs the Peer Engagement Committee at 100 Women in Finance (100WF) in Northern California and is a member of the 100 Women in FinTech global committee. Marianne co-founded the “FundWomen” conference at 100WF in San Francisco in 2014 and is the current Virtual Program Chair of FundWomen Week. She is a mentor at 100WF and GAIN (Girls are Investors), U.K. She sits on the investment committee of a non-profit Asian healthcare organization in Oakland, California.
AARON LOW, CFA, Principal & Global Strategist

Aaron is CEO of investment platform firm LUMIQ and a Principal of Lumen Advisors, Singapore. Prior to that, Aaron was Head of Portfolio Management at PIMCO managing global and emerging markets funds and overseeing Asia investment strategies. Before joining PIMCO, he was Head of Fixed Income (Portfolio Management) for Rosenberg Capital Management (RCM) Global Investors (San Francisco), managing global balanced and fixed income portfolios. He started his career in IBM.
He currently serves on the board of directors of Triumph Capital International (Singapore), Guotai Junan Asset Management (Hong Kong), Chairman of the Board of Trustees of the Research Foundation (US) and board editor on the Journal of Futures Markets (US). He is also a senior advisor to Hashkey Capital.
Previously, Aaron was the Chairman of the Board of Governors of the CFA Institute (US), and on the boards of the Singapore Foreign Exchange Markets Committee (SFEMC), Government of Singapore Pension Fund, Investment Management Association of Singapore (iMAS), Wealth Management Institute (WMI), BNP Paribas Bank Hedge Fund Center (SMU). He has been Senior Advisor to the Harvest Fund Management (Beijing), Bosera Asset Management (Shenzhen) and Minsheng Tonghui Asset Management (Shanghai).
Aaron graduated with a PhD in International Financial Economics from the Anderson School, UCLA, and other graduate programs at Stanford University, MIT and the University of Chicago and an engineering degree from NUS. He is a CFA charterholder.