Energy Infrastructure & MLP Strategy Team


About Us > Our Team > Energy Infrastructure & MLP Strategy


John Zaller, CFA

Chief Investment Officer

John joined MAI in 2007 and is Chief Investment Officer, Portfolio Manager and leads MAI's investment committee.  John served as Co-CIO with Jerry Gray in 2015.  John first worked for MAI in 2006 as an intern, actively participating in due diligence and individual equity research.  John earned his BA from the University of Dayton in Finance and Business Economics graduating summa cum laude, ranking first in his class for both degree programs.  John holds the Chartered Financial Analyst® designation and is a member of the CFA Society of Cleveland.


Gerald Gray

Jerry Gray, CFA

Managing Director

Jerry joined the firm in 1996 and is a Portfolio Manager.  Jerry served as MAI's Chief Investment Officer from 1999-2014 and as Co-CIO with John Zaller in 2015.  He has over 35 years of investment management experience. Jerry earned his BS from State University of New York and an MBA from Georgia State University. Jerry holds the Chartered Financial Analyst® designation and is a member of the CFA Society of Cleveland. 


Jason Putman, CFA

Managing Director

Jason joined MAI in 2012 and is a Portfolio Manager and Research Analyst within MAI's Investment Group.  Prior to MAI, Jason was with Victory Capital Management from 2004 to 2012 where he served as a Portfolio Manager on the Large-Cap Value team and an Energy and Technology Sector Analyst on the Equity Research team.  Jason earned his BA from Michigan State University and holds the Chartered Financial Analyst® designation.  He is also a member of the CFA Society of Cleveland. 


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