Image of Jonathan Zeigler

Jonathan Zeigler

Partner, CPA

Jonathan has more than ten years of experience in public accounting. In his role he coordinates engagement teams for annual audits, prepares financial statements, provides consultation on accounting and reporting matters and oversees the internal policies and procedures for our insurance practice’s training program. His practice is focused in the insurance sector, with a concentration in property and casualty and warranty companies. Jonathan also serves as the insurance technical leader and Professional Practice Liaison to Baker Tilly’s Professional Practice Group.


  • Experienced in aspects of insurance company statutory accounting principles, US GAAP, SEC reporting and filings under both the 1933 and 1934 Acts, communications with the SEC and initial public offerings
  • Provides service to many public and privately held insurance and financial services clients
  • Serves on the audit of a multinational insurance and investment holding company, including coordination of international component auditors in the United Kingdom, China, and Bermuda
  • Provided guidance to improve the income tax accounting process and quarterly income tax provisions for one of the largest insurance companies in the US
  • Held the role as audit senior manager for several of the firm’s financial institutions and employee benefit plan clients


  • American Institute of Certified Public Accountants (AICPA)
  • Pennsylvania Institute of Certified Public Accountants (PICPA)
  • Insurance Accounting & Systems Association (IASA)
  • Pennsylvania Institute of Certified Public Accountants Insurance Committee
  • Greater Reading Young Professionals – Board member, nominating committee chair, and former treasurer


University of Pittsburgh (Pittsburgh, Pennsylvania)
Bachelor of Science