Mark R. Sinatra

Founded in 2006 by Robert Befidi, Jr. and Mark R. Sinatra, Gordian Capital LLC is a private equity firm located in New York City.

Staff One, Inc. provides outsourced human resources management services. It designs and implements human resources for companies of all sizes. The firm offers benefits and payroll administration, health and workers compensation insurance programs, personnel records management, employer liability management, employee performance management and employee training and development services to small and medium-sized businesses. The company was founded by Dell Wood in 1998 and is headquartered in Dallas, TX.

R.R. Donnelley & Sons Co. engages in the provision of multichannel communication solutions. It operates through the following segments: Commercial Print, Logistics, Statement Printing, Labels, Packaging, Supply Chain Management, Forms and Business Process Outsourcing. The Commercial Print segment provides various commercial printing products and offer a full range of branded materials including manuals, publications, brochures, business cards, flyers, post cards, posters and promotional items. The Packaging segment provide packaging solutions, ranging from rigid boxes to in-box print materials, for clients in consumer electronics, life sciences, cosmetics and consumer packaged goods industries. The Statement Printing creates critical business communications, including customer billings, financial statements, healthcare communications and insurance documents. The Labels segment produces custom labels for clients across multiple industries including warehouse and distribution, retail, pharmaceutical, manufacturing and consumer packaging. The Supply Chain Management segment provides workflow design to assembly, configuration, kitting and fulfillment for clients in consumer electronics, telecommunications, life sciences, cosmetics, education and industrial industries. The Forms segment produces a variety of forms including invoices, order forms and business forms that support both the private and public sectors for clients in financial, government, retail, healthcare and business services industries and The Business Process Outsourcing segment provides outsourcing services including creative services, research and analytics, financial management and other services for legal providers, insurance, telecommunications, utilities, retail and financial services companies. The company was founded by Richard Robert Donnelley in 1864 and is headquartered in Chicago, IL.

The Parthenon Group LLC provided strategic advisory and principal investment services. The company had offices in Boston, London, and San Francisco. The Parthenon Group was founded by William Achtmeyer and John Rutherford in 1991 and was headquartered in Boston, MA.

ESAC, Inc. provides healthcare information technology solutions. It offers research data management, bioinformatics, and healthcare information technology solutions for government, commercial and academic clients. It provides value-added services at the juncture of biomedical science and technology. The company was founded by Shine Jacob in 2000 and is headquartered in Rockville, MD.

Young Presidents' Organization, Inc. is a global leadership community of over 30,000 chief executives from 142 countries. The non-profit company is based in Irving, TX and has a global presence of subsidiaries in several regions. The company's mission is to help its members become better leaders and better people. The company was founded in 1950 by Ray Hickok, Khalid Mohamed Jassem Kanoo. Thayer Smith has been the CEO of the company since 2007.

National Association of Professional Employer Organizations is a non-profit organization, which engages in the provision of human resources solutions to small and mid-sized companies. It offers payroll, benefits, regulatory compliance assistance, and tax administration. The company is headquartered in Alexandria, VA.

Aspen HR PEO LLC is a professional employer organization that provides concierge human resources management services. The company is based in Walnut Creek, CA and serves venture capital and private equity backed portfolio companies. The company's services include employee benefits consulting and administration, payroll and payroll tax administration, workers compensation insurance programs, HR compliance, HR training, and HR cloud technology. The company provides PEO services to alternative investment funds and their portfolio companies. Aspen HR's white-glove service model enables its clients to focus on their core business while becoming employers. The company was founded in 2017 by Jenny Souksavath. Mark R. Sinatra has been the CEO of the company since 2020.

ETA Equity Management LLC (ETA Equity) is a private equity firm founded in 2020 by Matthew Zucker and Mark Sinatra. The firm is headquartered in Dallas, Texas.