ESI - Key Persons


Andy White

Job Titles:
  • HR Technology and Marketing Manager

Barry Aaron - VP of Sales

Job Titles:
  • Vice President of Sales

Cheryl Zang

Job Titles:
  • Human Resources Manager

Corey Hookstra

Job Titles:
  • President - Corporate Strategy

Jenny Smith - CFO

Job Titles:
  • CFO

John Ykema - CEO

Job Titles:
  • CEO
  • Our CEO
John is a technology enthusiast with over 15 years of experience in the Human Resources Outsourcing and HR Technology industries. Having worked for premier software companies like PrismHR and NetWise Technology, as well as a fast-growing PEO and Staffing Company in Houston, TX, he had an incredible opportunity to learn and grow in an industry he loves. Over the years, he has managed the successful implementation of enterprise software platforms for clients of all sizes and demographics, from startup companies to some of the largest and most sophisticated in the industry. As our CEO, he works tirelessly to create a culture and ecosystem that results in the best possible experience for our Clients and Worksite Employees.

Karla Saenz

Job Titles:
  • VP of Client Services

Lori Jimenez

Job Titles:
  • Payroll Manager

Lori Pulido

Job Titles:
  • Risk Manager

Norma Ray

Job Titles:
  • Client Success Manager ( CES )

Russell James

Job Titles:
  • General Manager
  • IT Manager

Steven Hookstra

Job Titles:
  • Regional Sales Director

Tanya De Leon

Job Titles:
  • Benefits Manager

Tracie Alcon

Job Titles:
  • Accounting Manager