Sphera Funds Management (“Sphera”) is a global investment firm that was founded in 2004. The firm manages five distinct long/short equity strategies from its offices in Tel Aviv and New York and is Israel’s first and largest hedge fund manager. The firm’s investment philosophy is based on a disciplined and repeatable process that is focused on fundamental investing and is overseen by experienced investment teams, currently consisting of over twenty professionals. Sphera’s investment approach is dedicated to pursuing strong, consistent risk-adjusted returns across distinct market cycles and macro events. The investment team is supported by a robust business and operational infrastructure that is led by experienced professionals. The firm has a diverse investor base that includes long-standing relationships with some of Israel’s largest and most prominent pensions, insurance companies, financial institutions and family offices.


Sphera strategy

Small Cap

Global Healthcare


Global Equities

Park-in (Private Equity)


Israel Mor

Co-Founder & Chairman

Doron Breen

Co-Founder & Managing Partner

Ron Senator

Co-Founder & Managing Partner

Amir Levi

Managing Partner


Doron Breen

Managing Partner Biotech & Healthcare Strategies

Michelle Ross

PM Biotech & Healthcare Strategies

Yaron Lev-Ran

PM Sphera Global Equity Strategy

Ron Senator

PM Sphera Strategy

Nadav Zeller

Managing Partner, Co-PM Sphera Strategy

Avishay Hertzanu

PM Sphera Small Cap Strategy


Adi Hanetz

Chief Legal Officer

Neomi Elpeleg

Chief Financial Officer

Eran From

Chief Revenue & Marketing Officer

Steven Dorfman

COO/CCO Sphera U.S.


Lisa Liberman

Director Head of Private Clients

Assaf Yaniv

Senior Relationship Manager

Laura Carraway

Director of Business Development & Investor Relations