Mya Ellis

Marketing Intern

Jeff is a seasoned COO with over 15 years of executive leadership experience driving operational excellence, strategic growth, and organizational transformation across diverse industries. He has a proven track record in scaling operations, executing turnarounds, and leading high-performance teams—consistently aligning day-to-day operations with long-term strategic goals.

Jeff Hooper joins Book+Street as an Independent Contractor, serving as Chief Operating Officer for operationally focused client engagements.

Previously, Jeff served as COO of the nation’s largest portable diagnostic service provider, where he held full P&L responsibility and led a nationwide workforce of nearly 4,000 employees. Under his leadership, the company achieved meaningful improvements in service delivery, cost containment, and EBITDA performance.

Jeff brings deep expertise in Lean, Six Sigma, and Kaizen methodologies, supported by formal training from Cardinal Health and a Lean Certification from Purdue University. He has led nearly a dozen acquisitions from target identification through both pre- and post-close integration. Jeff also holds a certification in M&A and Corporate Development Strategies from Wharton’s Executive Education program.

Currently, as Founding Partner of The Concilium Group, LTD., Jeff partners with private equity sponsors and portfolio companies to drive operational improvements, support post-acquisition integration, and provide interim or fractional leadership. He is passionate about delivering measurable results, developing leadership teams, and building scalable, resilient organizations.

Jeff earned his BA from Otterbein University with a double concentration in Management and Marketing.