Gregory J.JPG

Gregory Jannin, Ph.D.

Director of Operations

Gregory joined JMC Asset Management in December 2014 to deepen the capabilities of the Firm and develop portfolio management and risk control tools.

Prior to joining JMCAM, Gregory was a quantitative research analyst within AAAdvisors-QCG (ABN AMRO Group) since December 2008, where he was in charge of developing asset allocation models, portfolio optimization strategies, and financial decision-making tools for portfolio managers, as well as private and institutional clients. Gregory was also a Teaching Assistant in Finance at the University of Paris 1 (Panthéon-Sorbonne) since November 2009. He has published articles in academic journals, such as Review of International Economics and Journal of Economic Surveys. His research interests are performance measurement, portfolio management, asset allocation and Prospect Theory.

Gregory graduated with a M.Sc. in Finance, a M.Sc. in Financial Engineering, a M.Phil. in Quantitative and Market Finance and holds a Ph.D. in Finance from the University of Paris 1 (Panthéon-Sorbonne).


Gregoire Painvin


Gregoire founded JMC Asset Management in 2012 and serves as its CEO and CIO. His background is rooted in the multi-manager business, specifically on the analysis and research of equity managers.

Previously, Gregoire was a Principal and the Head of Research of Wanzenberg Partners since its inception in 2009. As such, Gregoire led the analysis and research process, developed and implemented the company’s US equity fund and also undertook the entire marketing and client servicing effort.

Prior to that, Gregoire held several positions within the ABN AMRO Group in Chicago, New York and Paris, serving primarily as a research analyst covering US equity money managers and investment products.

Gregoire holds a bachelor's degree from Brown University and a master’s degree from the Institut d'Etudes Politiques in Paris.

Brett Porter

Co-Portfolio Manager & Research Analyst

Brett joined JMC Asset Management (“JMCAM”) in 2017 to support and enhance the Firm’s various research and due diligence efforts.

Prior to joining JMCAM, Brett was a Research Associate at Guggenheim Investment Advisory, a division of Guggenheim Partners. His responsibilities included conducting manager research and recommending a suite of alternative investment strategies across multiple asset classes and geographies. His background also includes operational due diligence and macroeconomic research.

Brett graduated summa cum laude from the University of Missouri and holds a Bachelor of Science in Business Administration with emphasis in Finance and Banking. He held multiple leadership positions during his collegiate years and was a member of the University’s Investment Fund Management Program.