Our Team

North Park Group

Ryan Sullivan

Managing Director

Ryan is a proven CEO with extensive experience in diverse industries, a record of increasing profitability, market share & developing strong management teams. While at CMC, he led the turnaround from neutral earnings to double digit EBITDA. As EVP and NA President of James Hardie, held full P&L responsibility ($1.5Bn annual revenue, 10%+ growth rate). Ryan has a BSME from Carnegie Mellon, MSEE from University of Pittsburgh, and MBA from the University of Pittsburgh Katz Graduate School of Business.

Greg Topel

Operating Partner

Greg Topel is an experienced operator and CEO with a successful track record building businesses across an array of technologies, business sizes, and markets. As CEO, Greg launched Tanvas raising multiple caprounds of capital. While at ITW Tech Center, Greg led BU initiatives to expand product offerings and improve operational efficiencies using the ITW 80/20 and customer-back innovation models. Greg has an BSME from Northwestern University and an MBA from the University of Chicago Booth.


North Park Group is supported by a world-class team of advisors and partners.

  • John Grivetti – Partner, Crowe
  • Eric Sorensen – Managing Director, Cushman & Wakefield
  • Fred Tannenbaum – Partner, Gould + Ratner
  • Robert Eisenstadt – KRD
  • Jeff Cullen – Managing Partner, SRP
  • Kahlil Hogan – Principal, VistaNational
  • Mike Nolan – Managing Partner, Seismic Solutions
  • Mike Jurasek – Partner, Taft
  • Graham Gibbs – Vice President, Huntington Bank
  • Ross Thomson – Division Head, Signature Bank
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