Our Team


Drew K. Zerick


  • Assurance Services

Industries & Specialties

  • Manufacturing & Distribution
  • Not-For-Profit
  • Private Investment Companies
  • Start-ups & Technology

Drew K. Zerick, CPA

Assurance Services Director

Drew provides accounting and auditing services to a variety of clients, with an emphasis on not-for-profit organizations. She also has experience with manufacturing, service, and private investment companies, as well as employee benefit plans. Drew started her career at Sisterson serving private companies and non-for-profits. She also spent several years working as a Controller for a regional healthcare company. This gives he a unique perspective with her assurance services clients in that she can relate to operational and accounting matters that arise. Drew rejoined Sisterson in 2013.

In addition to her client responsibilities, she serves as an active member of the Firm’s Advisory Committee. She also serves as an instructor for our in-house continuing professional education program on sessions relating to accounting and auditing matters and oversees the Firm's membership in the AICPA Employee Benefit Plan Audit Quality Center.

Drew lives in Sarver with her husband and three sons.


  • B.S. in Accounting, Slippery Rock University

Professional Certifications

  • Certified Public Accountant (Pennsylvania)
  • Chartered Global Management Accountant

Professional & Community Involvement

  • American Institute of Certified Public Accountants
  • Pennsylvania Institute of Certified Public Accountants
  • Women's Choice Network - Board of Directors