BOSTON, May 11 — Calera Capital (“Calera”), a leading middle-market private equity firm, today announced the appointment of Michael W. O’Brien as Managing Director and Head of Business Development. In this role, Mr. O’Brien will leverage his 15-plus years of direct private equity experience, extensive network, and origination capabilities to build on Calera’s existing strong deal generation capabilities.
“We are excited to welcome Mike to the Calera team,” said Mark Williamson, Managing Partner of Calera Capital. “Mike brings a deep network of relationships and a strong track record of sourcing compelling opportunities. We continue to see exceptional opportunities across our target sectors in Business Services, Logistics, and Specialty Industrials, and Mike will play an integral role in helping us build on our strong recent momentum.”
Mr. O’Brien joins Calera from Valspring Capital, where he served as Managing Director and Head of Business Development. Prior to that, he held senior business development roles at AVALT and New Heritage Capital.
“Calera is a highly differentiated firm defined by its partnership-oriented approach to its investments and its consistent track record of building enduring value alongside founders, families and management teams,” said Mr. O’Brien. “The firm is executing at a high level, and I am excited to join at a moment of significant opportunity and to contribute meaningfully to Calera’s next chapter of growth.”
Mr. O’Brien holds a Bachelor of Arts in Economics from Tufts University.

