Team
Conviction, Collaboration, and Experience
Chief Investment Officer
Sean Fieler
President
Sean Fieler graduated from Williams College in 1995 with a degree in Political Economy and received the Branson Memorial Scholarship in 1994. Upon completion of his undergraduate studies, he joined Equinox Partners. He is the firm’s managing member and majority owner.
Portfolio Managers
Coille Van Alphen
portfolio manager Joined Equinox in 2019
Prior to joining Equinox, Coille Van Alphen worked at Tocqueville Asset Management and Canada Pension Plan Investment Board. Coille holds a MBA, graduating with distinction, from The Richard Ivey School of Business and is a CFA charterholder.
Brad Virbitsky
portfolio manager - Partner Joined Equinox in 2011
Brad Virbitsky graduated with honors from Princeton University, where he earned a B.A. in Philosophy and a certificate in Finance.
Analysts
Our research analysts are generalists with industry specializations
Nicholas Engel
ANALYST Joined Equinox in 2017
Nicholas Engel graduated summa cum laude from Hope College and holds a Ph.D. in Philosophy from Columbia University. He has taught extensively at both Columbia University and The Cooper Union.
Alfredo Schmutzer
ANALYST Joined Equinox in 2023
Prior to joining Equinox, Alfredo worked in Chile at Mainstream Renewable Power, Falcom Capital and the Tyndall Group. Alfredo holds an undergraduate degree in Industrial Engineering from the P. Universidad Católica de Chile and joined Equinox upon completion of his MBA at Columbia Business School, where he completed the Value Investing Program.
Parvin Mamedov
ANALYST Joined Equinox in 2023
Parvin Mamedov graduated with honors from Moscow State Institute of International Relations, where he earned a B.A. in International Economics with command of foreign languages. Parvin joined Equinox Partners upon completion of his M.S. in Accounting and Fundamental Analysis at Columbia Business School.
Operations
Our operations professionals cover legal, compliance, operations, trading, accounting, and firm finance
Denise Alejo
CHIEF FINANCIAL OFFICER & CHIEF COMPLIANCE OFFICER - PARTNER Joined Equinox in 2005
Denise Alejo has over ten years of financial and operational experience in both the non-profit and private sectors. She has worked at the Metropolitan Museum of Art, UBS-International, Inc., and Morgan Stanley. She holds a BA in Economics from Hunter College.
jeremy Nierman
Chief operating Officer Joined Equinox in 2024
Prior to joining Equinox, Jeremy worked at Hudson Executive Capital, Manatuck Hill Partners and Pequot Capital. He graduated with a BA from Franklin & Marshall College.
Stephanie Tran
Operations Associate Joined Equinox in 2016
Stephanie Tran previously was an assistant in the beauty and financial industries. She earned a BA in Business Management Marketing from Holy Family University in Philadelphia, PA.
Svitlana Rebenok
ADMINISTRATIVE ASSISTANT Joined Equinox in 2019
Svitlana previously worked in information management, banking, and retail. She graduated from Kiev State Linguistic University, Ukraine, and earned a BA in English Philology.
INVESTOR RELATIONS & Business development
Kieran Brennan
Head of business development & investor relations Joined Equinox in 2021
Prior to joining Equinox, Kieran Brennan worked in business development for First Eagle Investment Management, Connor, Clark & Lunn Financial Group, and the Managed Funds Association. He graduated from Williams College with a BA in Economics and English.