Our Story
Doug Mangen established Mangen & Associates in 2002. Doug developed a passion for public education while serving two terms on the Vandalia-Butler Board of Education and completing several projects with the Dayton Public Schools Board of Education.
A certified treasurer with over 20 years of experience, Doug has extensive knowledge in enhancing the fiscal health of Ohio schools while generating numerous awards from the Ohio Auditor of State for fiscal compliance and reporting.
Since the beginning, Mangen & Associates has been focused on providing high quality Treasurer, Financial Management, Operations, EMIS/SOES and CCIP Administration Services and Recommendations.
Meet the Team
Our team members are dedicated to supporting effective education initiatives and helping school leaders obtain the resources necessary to improve educational opportunities for each and every student.
Columbus Office

Doug Mangen
Founder

Connor Iffland
Financial Analyst

David Mangen
Finance Coach

Kevin Marsh
Financial Analyst

Cassie Drewry
Project Manager

Connie King
Accountant

Terry St. Germain
Accountant

Matthew Howard
Accountant
Dayton Office

Nicki Hagler
Accounting Coach

Sarah Alcorn
Accountant

Ben Hollatz
Accountant

Rob Glynn
Accountant

Kathy Moosbrugger
Project Manager

Ethan Jackson
Accountant

Patrick Hairston
Accountant

Doug Brinkman
Accountant
Cleveland Office

Cindy Tipper
Accountant

Melissa Umerley
Accountant

Mitch Klamut
Accountant

Franjo Valentic
Accountant