Ethan Sullivan

Ethan Sullivan is a director in the technology investment banking group at Piper Sandler, based in Boston, Massachusetts. He joined Piper Sandler in March 2025.  

Sullivan focuses on M&A and private placement transactions in the technology sector, with a focus on vertical market software advisory. He has advised a number of software and services companies across various vertical markets, with a subsector focus on government technology, real estate technology and legal technology. Prior to Piper Sandler, Sullivan spent over a decade at Shea & Company, a software investment bank, where he focused on sell-side and buy-side M&A, private placements and corporate divestitures.

Sullivan received his bachelor’s degree in international studies with a concentration in economics from Boston College, where he was also co-captain of the water polo team.