At Oster & Wheeler our mission is to provide high-level service in order to have a positive impact on the financial future of our clients. We achieve this by working closely with our clients to understand their individual circumstances and use our professional expertise to provide sound, actionable advice.


Excellence we work hard and focus on being effective and profitable
Success ideal outcomes are measured on our client’s success; we succeed when our clients succeed
Accountability we are responsible for our own growth and what we bring to the firm
Quality we take pride in the work we do, and we are committed to bringing the best and highest level of service possible to our clients
Integrity we act with honesty and consistency in all our affairs
Respect for ourselves, our coworkers and our community

Our Team

Belinda S. Oster , CPA, MST

An owner of the firm since 2006, with a Masters Degree in Taxation from Bentley College, Belinda leads our tax and peer review practices. She specializes in the tax issues affecting small businesses and investors as well as those affecting estates and trusts, working closely with clients’ investment advisors and attorneys. Belinda serves on the board of trustees of the Prospect Woodward Home (Hillside Village Keene) and is treasurer of the Marlborough Garden Club.

Christopher R. Wheeler, CPA, CVA
Vice President

An owner of the firm since 2012, Chris leads the firm’s audit and assurance practice, with a focus on not for profit organizations. As a certified valuation analyst, he also provides consulting services to business owners to assist them with their goals and objectives. Chris is active in the greater Keene community, volunteering time, and serving as a board member for several nonprofit organizations. He received his bachelor of science in business administration and accounting from the University of Maine at Orono and attended graduate school at the Whittemore School of Business and Economics at the University of New Hampshire.

Charles A. Prigge, CPA, MBA

Chuck has been with the firm since inception in 1991 and leads the firm’s peer review practice area. He has served as a board member and technical reviewer for New England Peer Review and is a past member of the AICPA Peer Review Board. Chuck received his Bachelor of Arts in Economics from Amherst College and his Master of Business Administration in Accounting from the University of Pennsylvania. He has been active professionally, having served as president of the New Hampshire CPA Society, and locally, having served as president of the Keene Rotary Club and as a director of several other non-profit organizations.

Hannah Russell
Audit Manager

Hannah joined the team in 2013 and is the firm’s audit manager. She specializes in audit and accounting services for our non-profit clients and oversees audit procedures. Hannah has a Bachelor of Science degree in Accounting from Salve Regina University.

Kyle E. Saunders
Staff Accountant

Kyle started at Oster & Wheeler, PC in 2019 and is our newest Certified Public Accountant. Kyle works as support staff for our audit and accounting practice. He graduated from Plymouth State University with a Bachelor of Science degree in Accounting.

Joseph D. Shawver
Staff Accountant

Joe has been with the firm since 2018 and is our QuickBooks expert, on both the desktop and online versions. With a Bachelor of Science degree from Emmaus Bible College and Certification as a QuickBooks Pro Advisor, Joe specializes in helping our business clients to keep their books in order and prepares their quarterly accounting and annual tax filings.


Bonnie Leamy
Staff Accountant

Bonnie joined the firm in 2021 and specializes in tax preparation. Bonnie works directly with our clients to organize and prepare annual income tax forms for individuals. Bonnie also assists with client inquiries that may arise throughout the year.

Brittany Labarre
Office Manager

Brittany has been with the firm since 2011 and works closely with the partners, staff, clients and vendors to ensure the smooth running of the office. She does so by implementing and maintaining office procedures, managing client payroll, billing, accounts payable, workflow and project management as well as overseeing administrative functions.

Yvonne Sherrick
Administrative Assistant

Yvonne started with the firm in 2021 and has been a wonderful addition to the team. Yvonne will greet you when you call us or walk in the door. She keeps our office organized and productive by supporting the staff with their administrative needs.

Contact Us

Visit Us

86 West St,
PO Box 623,
Keene, NH 03431

Get In Touch

Phone: 603-352-4500
Fax: 603-352-8558


Oster & Wheeler, PC – Certified Public Accountants    86 West Street   PO Box 623    Keene, NH 03431   (phone) 603.352.4500   (fax) 603.352.8558