2023 W-2 forms have been mailed out to employee’s home addresses. All employees (current and terminated) can access their 2023 W-2 forms through the employee portal effective immediately.

mark pietrowski, ceo

Mark Pietrowski

Founder & Chief Business Development Officer


Mark Pietrowski serves as President and CEO of Pinnacle Employee Services and has over 16 years of experience in the payroll, human resources, and PEO industry. He started his career as an account executive for Lamar Advertising, the nation’s largest outdoor billboard advertising company, where he quickly rose through the ranks from a salesperson in Syracuse, New York to Vice President/ General Manager in Fayetteville, North Carolina, and later transferred to a larger office in Toledo, Ohio.

From Lamar, Mark transitioned to the payroll industry when he joined Paychex, a leading payroll provider. There he sold their human resources programs for 6 years and was honored as District 30’s MVP of the year in 2007. In 2008 Mark went to work for a Syracuse, New York-based PEO where he learned the nuances of professional employer organizations over his six-year tenure.

In 2014 Mark led the management team at Pinnacle in launching Pinnacle Employee Services (PES) with the goal of providing superior service to clients utilizing the industry’s lead technology, robust benefits, and wellness plans, and a well-rounded staff of professionals