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Domenic Rinaldi

Managing Partner at Sun Acquisitions

Chicago, IL Website (773) 243-1603 x7
CBIUpdated September 2026

About

Domenic Rinaldi serves as Managing Partner of Sun Acquisitions in Chicago, Illinois. He acquired the firm in 2005. He has personally participated in more than 400 transactions. He has led the firm through more than 500 completed transactions across diverse industries. His transaction experience spans manufacturing, distribution, healthcare, IT, business services, and HVAC. He spent 13 years in sales and operations leadership at Sprint Corporation. He served as Vice President of Sprint’s Hospitality Division, leading a national organization to $250 million in annual revenue. He subsequently served as Chief Operating Officer of a venture-backed e-commerce travel company. He also operated a technology company in New York City. He holds the Certified Business Intermediary (CBI) designation from the International Business Brokers Association (IBBA).

Who is a good fit for Domenic Rinaldi

  • Owners of lower middle market companies preparing for a business sale.
  • First-time business buyers seeking acquisition preparation that addresses strategic and financial blind spots.
  • Technology entrepreneurs seeking an advisor with operating experience and a background in raising venture capital.

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Frequently Asked Questions

Domenic Rinaldi founded K2Adviser to help entrepreneurs prepare for business acquisitions. He focuses the platform on strategic and financial blind spots that can derail first-time buyers.

Domenic Rinaldi managed large-scale sales operations, national account relationships, and P&L responsibilities at Sprint Corporation. He later helped grow a Silicon Valley travel startup into an international solutions provider. He gained experience raising venture capital and taking a technology company from early development to profitability. He also gained firsthand experience with small business ownership challenges through his New York City technology operation.

Domenic Rinaldi has appeared in the Wall Street Journal, Washington Post, and Reuters. He has also appeared in the Los Angeles Times and Crain’s Chicago Business. He formerly contributed columns to Entrepreneur.com. He has written for Smart Business and HVACR Business.

Domenic Rinaldi hosts M&A Unplugged, with over 100 episodes addressing mergers and acquisitions. He covers valuation, due diligence, exit planning, and deal structure. He has appeared on Rising Tide Startups, Extra Innings, Scaling Up Services, and Play Your Position. He also serves as a faculty member at Financial Poise, educating business owners and professionals.

Domenic Rinaldi served on Somercor Financial’s Board of Directors in Chicago from 2016-2018. He served on Family Tree Inc.’s board in Denver from 1993-1997. He also served on the Mid-America Assistance Coalition’s board in Kansas City from 1991-1993. He founded Back-to-School Clothes for Kids in Kansas City in 1991, providing school clothing to children from under-resourced families.

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