Analyst Team

The Thomson Reuters Proprietary Research team explores a wide range of investing-related topics to help investment professionals identify emerging trends in the global financial markets. Our analysts use Thomson Reuters content and products to uncover notable developments in every region of the world. Whether you're interested in earnings surprises or commodities demand, aggregate growth estimates or same-store sales, we're confident our research will provoke new investing ideas.

Tim Gaumer

Director of Fundamental Research

Tim_Gaumer Tim Gaumer is the Global Director of Fundamental Research at Thomson Reuters. He held the same position at StarMine, a company acquired by Thomson Reuters in 2008.

With more than 17 years of experience conducting fundamental analysis, Tim is widely regarded as an expert helping fundamental investor apply innovative analytics in their investment process. He has worked for two independent research firms and most recently as director of research at Jefferson Research & Management. Tim also previously worked at several buy-side firms, most recently at Transamerica Investment Management as an equity analyst and portfolio manager.

Tim is a much sought after speaker regularly presenting at global CFA Societies and industry conferences. He holds the Chartered Financial Analyst designation and has an undergraduate degree in Electrical Engineering and graduate degree in Business Administration.

Jharonne Martis


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Jharonne Martis’s key responsibilities include analysis of actual and estimated retail same store sales data over time and across competitors, providing insight into company outlooks, revealing trend expectations, and yielding clues to anticipated consumer behavior. Her observations and analysis can be found in her monthly research reports, SSS Preview and SSS Review, which are widely distributed to institutional clients and the financial media. Additionally, Martis periodically publishes in-depth Market Insight notes and serves as an internal resource on all issues related to the US consumer.

Martis has worked as a software developer at NetLander, Inc., where she contributed to key projects at the NASA J.F. Kennedy Space Center, and was a Control Desk Analyst Manager at Citigroup. She holds a BS in Management Information Systems and an MBA in Finance.

A widely quoted authority on the U.S. consumer and retail information, including same store sales and corporate earnings, Martis’s research has been featured in The Wall Street Journal, The New York Times, CNN Money, and Barron’s, and she has appeared on CNBC’s Power Lunch and The Nightly Business Report, as well as other financial news outlets.

Sridharan Raman


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Sri Raman formulates timely and actionable quantitative insights that help clients develop alpha-generating investment strategies. An expert in using data analysis and manipulation tools, such as Thomson Reuters MarketQA and StarMine Professional, he identifies market anomalies based on company fundamentals and sector trends. Raman has been featured on CNBC and Reuters Insider TV, discussing investment opportunities and sharing his market perspectives.

Raman, a ten-year Thomson Reuters veteran, holds an MBA from the NYU Stern School of Business with a concentration in Quantitative Finance.

Greg Harrison

Research Analyst

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Greg_Harrison Greg Harrison covers a broad base of corporate earnings, including fundamental data, estimate revisions, growth rates and valuations. Focusing on companies in the S&P 500, his weekly earnings commentary includes macro level research and company-specific insights. Previously, Greg worked in the biotechnology industry, providing validation consulting services to help companies ensure that their manufacturing processes were capable of producing safe and effective products.

Greg holds a BS in Biology from the University of Washington and MBA and MSF degrees from the Boston College Carroll Graduate School of Management.

David Aurelio

Research Analyst

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David_Aurelio David Aurelio is a Research Analyst covering earnings for companies within the S&P 500 and same store sales for global brands. His experience includes Mechanical Engineering and Finance within the Semiconductor Capital Equipment and Aerospace industries where he worked to bring cutting edge technologies to market while reducing cost. He holds an MBA and MSF degrees from the Boston College Carroll Graduate School of Management.
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