425 Lexington Ave
New York, NY 10017

+1 646 837 5124

40 & Under List

Practice area:


Benjamin Heidlage regularly works on the most complex legal problems confronting his clients with national importance. He has been deeply involved in disputes stemming from two of the country’s most serious challenges of the 21st century: the collapse of the housing market and the opioid crisis.  

Leveraging a broad breadth of experience across a range of complex commercial litigation matters, he represents both individuals and corporations in contract, insurance, securities, antitrust, and environmental disputes in state and federal courts and arbitral tribunals. Ben’s recent matters include representing Chubb in insurance coverage disputes, including nationwide disputes related to the opioid crisis and recent litigation by lenders and bondholders challenging multibillion-dollar liability management transactions, including representing Petsmart, Travelport and Incora bondholders. Ben is also heavily involved in representing banks as trustees or securities administrators in various RMBS putback matters in state and federal courts, including as a member of the team representing the trustees as a lead trial counsel in the Lehman bankruptcy resulting in a favorable $2.4 billion award. Ben also was a member of the trial team on behalf of a MacAndrews & Forbes company in a massive antitrust claim against News Corp. in one of the first civil jury trials following the COVID-19 shutdown.

Ben devotes a substantial amount of time to pro bono work, focusing on immigration matters, including on behalf of a family separated during the Trump administration’s family separation policy and immigrants detained during the pandemic. He is an active participant in HSG’s formal mentoring program where he regularly provides insight and guidance to future leaders in the legal industry. Ben also serves as a liaison between associates and partners, ensuring that associates’ collective voice is heard throughout the firm. 

Key Practice Areas:

  • Antitrust
  • Arbitration
  • Banking + Financial Services
  • Business & Commercial
  • Civil Litigation
  • Class Action
  • Securities

Year Joined Firm:


  • New York University School of Law (J.D.)
  • Pomona College (B.A.)

Updated July 2023