Administrative Team
The mission of the PVARF administrative office is to provide helpful, efficient, and friendly support to staff at the Portland VAPORHCS in managing funds held in the PVARF. Your feedback on our performance is appreciated.

'Hannah' Hong Bai
Accounting Specialist
‘Hannah’ Hong Bai
Accounting Specialist

Heather Tyre
Accounting Specialist - AP/AR
Heather Tyre
Accounting Specialist - AP/AR

Sara Dolen
Contract and Grant Accountant
Sara Dolen
Contract and Grant Accountant
Contract & Grant Accountant who supports 60+ Principal Investigators (PIs) and their teams on more than 100 active government and private grants and contracts.

Mary Hatt
Payroll and HR Specialist

Mary Hatt
Payroll and HR Specialist
Committed and motivated professional with extensive experience in the coordination, planning and support of daily operational and administrative functions and the support and development of an employee oriented company culture that emphasizes quality, continuous improvement and high performance.

Sean P. McBurney, PhD, CPA
Executive Director

Sean P. McBurney
Executive Director
Education: BS – Microbiology, University of Pittsburgh; PhD Molecular Virology & Microbiology, University of Pittsburgh School of Medicine; Post-Baccalaureate Certificate – Accounting, Portland State University
Background: Sean spent 15 years researching HIV and Dengue virus vaccines starting in undergraduate at the University of Pittsburgh through a post-doctoral fellowship at the Oregon National Primate Center/OHSU. Sean transitioned to tax accounting at one of the largest public accounting firms in Portland for 5 years. Sean is now using both his background in biomedical research and financial accounting to direct PVARF. In his spare time Sean trains and races in triathlons and long-distance running. The training comes in handy when trying to keep up with his two young sons and his wife Christine. Sean joined PVARF in late 2020.