As one of the top ten Pittsburgh-based accounting firms, H2R CPA delivers accounting, tax & business advisory services to individuals, nonprofits and closely held businesses in a wide range of industries.

At the core of our services are our people. Here we’ve included bios of our team to help you to get to know us better.

Executive Board

Kieran O’Dea

CPA | Managing Partner

Paul K. Rudoy

CPA/PFS | Partner

Leo A. Hannah

CPA, MBA | Partner


Cara M. Colavita

CPA | Partner

Joseph M. Dickert

Joseph M. Dickert

CPA | Partner

Mark R. Exler

CPA, PFS | Partner

Steven M. Gregory

CPA | Partner

Donald J. Reddinger

CPA | Partner

Lucas Rihely, CPA - Beaver Business Advisor

Lucas Rihely

CPA | Partner

Edward G. Scherer

CPA | Partner

Nathan Shaffer

CPA | Partner

William H. Westland, Jr.

CPA | Partner

Phillip D. Zlokas

CPA | Partner

Joseph G. Bevevino

CPA | Partner Emeritus

Alex M. Kindler

CPA/ABV/CFF/PFS, CVA, MBA | Partner Emeritus

Leadership Team

Sara Beauseigneur

CPA, MBA | Audit Director, Employee Benefit Plans

Steven M. Dotterer

JD, MBA, CVA, MAFF | Director, Business Valuation & Litigation Support

Laura Scala

Advanced Certified QuickBooks® ProAdvisor | Manager

Stephen A. Silverman


Joe Slezak

Joe Slezak

Director of Marketing and Business Development