Terry McMahon, CPA
President

t.mcmahon@mcmahonpc.com

Karen McMahon, EA
Account Manager/Owner

k.mcmahon@mcmahonpc.com

Jill Jones, CPA
Audit Partner, Owner

j.jones@mcmahonpc.com

Daniel Hamstra, CPA
Assistant Auditor

d.hamstra@mcmahonpc.com

Debra Waisnora, CPA
Audit Manager

d.waisnora@mcmahonpc.com

Christine Valenti, CPA
Tax Manager

c.valenti@mcmahonpc.com

Marisa R. Malave, CPA
Assistant Tax Manager

m.malave@mcmahonpc.com

Debbie Burrell, EA
Tax Preparer

info@mcmahonpc.com

Marisa R. Malave, CPA
Assistant Tax Manager

m.malave@mcmahonpc.com

Tammy Byrum, EA
Tax Preparer

info@mcmahonpc.com

Donald Tulowitzki
Tax Preparer

info@mcmahonpc.com

Carolyne Jaskula, CPA
Accountant

c.jaskula@mcmahonpc.com

Annette Martin, EA
Staff Accountant

a.martin@mcmahonpc.com

Phyllis Cope
Staff Accountant

p.cope@mcmahonpc.com

Kathy Gasser, EA
Staff Accountant

k.gasser@mcmahonpc.com

Donald Tulowitzki
Tax Preparer

k.gasser@mcmahonpc.com

Patti Mathas, CPA
Accountant

info@mcmahonpc.com

Olivia Guiterrez, EA
Staff Accountant

o.gutierrez@mcmahonpc.com

Karen Hrapcak
Bookkeeper

k.hrapcak@mcmahonpc.com

Donna Boss
Bookkeeper

d.boss@mcmahonpc.com

Jackie Bobowski
Bookkeeper

j.bobowski@mcmahonpc.com

Robert Underwood, CPA
Firm Administrator

r.underwood@mcmahonpc.com

Margie Fornelli
Firm Bookkeeper

m.fornelli@mcmahonpc.com

Linda Kinzer
Executive Secretary

l.kinzer@mcmahonpc.com

Kevin Richardson
Administrative Assistant

info@mcmahonpc.com

Derek Hayes
Administrative Assistant

d.hayes@mcmahonpc.com

Cynthia Solis
Audit Assistant

c.solis@mcmahonpc.com

Trisha Zuklin
Administrative Assistant

t.zuklin@mcmahonpc.com