Board & Staff

Executive Board

The 2019-20 OHIMA Executive Board took office on July 1, 2019 and will serve through the association year - which ends June 30, 2020.  View OHIMA's Past Presidents

Tonya Bates, RHIA

President-Elect; Director, Membership Engagement
Kristin Nelson, MS, RHIA
Connect with Kristin on LinkedIn
Follow Kristin on Twitter: @KristinMarieNel

  Past-President; Director, Awards & Scholarships
Gail Mauk, RHIT

1st-year Director, Leadership
Manjusri (MJ) Nguyen, RHIA, MBA
Connect with MJ on LinkedIn 

1st-year Director, Privacy & Security
Alonzo Blackwell, RHIA

1st-year Director, Professional HIM Development
Carol Barnes, RHIA

2nd-year Director, Professional Coding Development
Dee Mandley, RHIT, CCS, CCS-P, CDIP

2nd-year Director, Advocacy
Clarice Warner, RHIA, CCS-P, CPC, CHC

2nd-year Director, CDI
Kari Mandley, RHIT


Delegates serve as OHIMA's representative to the AHIMA House of Delegates. Delegates serve as a grassroots member forum of AHIMA governing the health information management profession. Delegates work year-round advocating for the profession, the members, and the Association. These leaders help keep our profession strong and moving forward by contributing or recommending action on issues affecting the industry.

1st Year Delegate
Tonya Bates, RHIA
NOHIMA Representative

1st Year Delegate
Shelia Robertson, RHIA
EOHIMA Representative

2nd Year Delegate
Pam Greenstone, MEd, RHIA
GCHIMA Representative


2nd Year Delegate
Gail Mauk, RHIT
NWOHIMA Representative

2nd Year Delegate
Clarice Warner, RHIA, CCS-P, CPC, CHC
MVHIMA Representative


Day to day operations of the OHIMA Central Office are run by a team of staff and contractors.  

Executive Director
Lauren Manson, RHIA
[email protected]
(614) 795-7514

Executive Assistant
Bethany Shelton

Finance Manager
Carla Nadeja, RHIA

Director of Trade Show Sales
Beth Spiropoulos

Coding Education Coordinator
Dianna Foley, RHIA, CHPS, CCS