Mesirow Strengthens Investment Banking Bench 

Mesirow has added William Lynch and Garry Vaynberg as managing directors within its investment banking group, expanding senior coverage across industrial technology and distribution-focused sectors. Both join the firm as part of a broader effort to deepen sector alignment within its existing vertical structure.

“We’re proud to welcome Bill and Garry to Mesirow. Their proven track records will significantly enhance our ability to deliver innovative, high-impact solutions for clients in dynamic sectors with meaningful M&A activity,” said Adam Oakley, Co-Head of Mesirow Investment Banking.

The Chicago-based firm was founded in 1937 and provides merger advisory, capital raising, and strategic advisory services to business owners and institutional clients. Its investment banking group supports clients through sell-side and buy-side transactions, financing assignments, and capital markets execution, led by senior bankers across defined industry verticals.

Mr. Lynch will work alongside Nathan Moeri in industrial technology, while Mr. Vaynberg focuses on distribution and supply chain. Mr. Lynch previously held senior roles at Imperial Capital and ProFinance Associates, and Mr. Vaynberg spent more than two decades at Piper Sandler and earlier worked at A.G. Edwards & Sons and ShoreView Industries.