Steven P. Holinstat

Steven H. Holinstat is a Partner and the Co-Head of the Fiduciary Litigation Group at Proskauer Rose LLP.  He is also a Fellow at the American College of Trust and Estate Counsel (ACTEC).  Over the nearly past three decades, Steve has developed a broad and diverse background in all aspects of high-stakes commercial litigation, focusing on handling high-net-worth trust and estate matters.  He has handled numerous complex, high-profile litigations that have resulted in hundreds of millions of dollars in recoveries. 

Steve has earned a reputation for being adept at intervening and resolving challenging interfamily disputes before they escalate into full-blown litigation.  When litigation is unavoidable, Steve is an aggressive and experienced trial lawyer.  He has handled cases before federal and state courts around the country and numerous arbitrations before JAMS, the American Arbitration Association, the Financial Industry Regulatory Authority (formerly the National Association of Securities Dealers, or NASD) and the International Chamber of Commerce.  

Steve regularly writes and lectures on various Fiduciary Litigation-Related Issues, including: Anticipating and Preparing for Estate Litigation; Mitigating the Risks of Fiduciary Litigation: Guidelines for Institutional Trustees; Legal & Ethical Challenges in Assessing Your Client’s Mental Capacity and Ability To Exercise Free Will; Managing Fiduciary Duties Regarding Investment in Today’s Economic Environment; Estate and Trust Administration Disputes; and Identifying and Addressing Potential Issues Involving Clients With Diminished Mental Capacity and/or Who May Be Unduly Influenced by Others.  

Steve is also dedicated to pro bono and was awarded the 2019 Unsung Hero Award for defending the rights of people with autism to live in their communities without discrimination.