William Hornell

Managing Director

Investment Banking


Bill Hornell is a managing director in Mesirow Financial’s Investment Banking group. He is responsible for developing key relationships, leading deal teams throughout the transaction process and providing advisory services on middle market M&A assignments within the paper, plastics and packaging sectors.

Bill has more than 30 years of investment banking experience and is a well-known and highly regarded professional in the industry. Prior to joining Mesirow Financial in 1988, Bill was a vice president in the Corporate Finance department at Stifel, Nicolaus & Company.

He has been involved in over 100 M&A transactions in the corrugated packaging, flexible packaging, folding carton, label and rigid packaging sectors. He serves family businesses, publicly traded corporations and private equity firms alike on recent transactions such as the:

  • Sale of Proactive Packaging and Display, LLC to New-Indy Containerboard LLC
  • Sale of Mid-Atlantic Packaging, Inc. to Royal Box Group, LLC
  • Sale of Ideal Box Company to Stronghaven, Inc., among others.

Bill earned a BS from Indiana University and an MBA from Harvard University. He holds FINRA Series 7, 24, 63 and 79 licenses.