Our Team

John Halloran

John Halloran, a Director at SierraConstellation Partners, provides interim management and operational and financial advisory services to underperforming companies and companies in transition. He leverages a growing track record at SCP and prior experience as a management consultant and private equity investor to help middle-market companies navigate through difficult business challenges. His experience includes exposure to various industries, such as pharmaceutical/biotechnology developers, consumer-facing brands, retailers, and distributors, media & entertainment providers, and information technology services and platforms.

John’s recent work at SCP has been recognized by industry awards, including:

  • In 2023, John won the M&A Advisor’s Emerging Leader Award, which recognizes leading M&A, financial and turnaround professionals who have reached a significant level of success while still under the age of 40.
  • In 2023, John was recognized with colleagues by the Global M&A Network’s 15th Annual Turnaround Atlas Awards for the SCP team’s leadership of NewAge, Inc. in the category of Chapter 11 Restructuring of the Year (sm).

John has completed relevant professional education including the Chartered Financial Analyst (CFA) and Certified Insolvency & Restructuring Advisor (CIRA) designations. John is also active in several industry associations including the Turnaround Management Association (TMA), the Association of Insolvency and Restructuring Advisors (AIRA), and CFA Society New York.

Prior to joining SCP, John was an investor with Omaha Beach Capital. There, he supported management of private equity investment vehicles, with a focus on underwriting lower- and middle- market transactions. He began his career as a management consultant with Booz Allen Hamilton’s Strategic Innovation Group.

John holds a B.S. and M.S. degree in Political Science from the Massachusetts Institute of Technology (MIT). He is an alumnus of Chaminade High School in Long Island, New York.