AGD Leadership

The Ohio Academy of General Dentistry is led by a committed group of volunteer members who give their time, talents and efforts for the betterment of the organization.  The Ohio AGD Board of Directors are actively involved in providing leadership and direction for the Ohio AGD.

Elected Officers


Hal Jeter, DDS, FAGD

Immediate Past President

Tyler Scott, DDS, FAGD


James W. Zimmerman, III, DDS

Vice President

Joseph Landry, DDS, MAGD


Darrel Scott, DDS

Legislative Chair

L. Don Shumaker, DDS, MAGD

AGD National President

Hans Guter, DDS, FAGD

Trustee Region VII (Ohio and Indiana)

Michael A Gordon, DDS, MAGD

REgional Director for Region VII (Ohio & Indiana)

Aparna Sadineni, DDS, MAGD

Executive Director, Ohio AGD

Kristina Orrill

Directors & Vice Directors

Director District I

Joseph Landry, DDS, MAGD

Director District II

Kevin J. Kramer, DDS, MAGD

Director District III
CE Chair
Public Information Officer

Keith A. Norwalk, DDS, MAGD

Director District IV
CE Co-Chair

Tyler Scott, DDS, FAGD

Director District V

David G. Austin, DDS, MS, DABOP, DABDSM

Vice Director District V

James Cottle, DDS, FAGD

Director District  VI

Kathy Brisley-Sedon, DDS, MAGD

Director District VII
Pace Approval Chair

Hal Jeter, DDS, FAGD

Director District VIII

Tanner Seago, DDS

Director District IX

Diane Arel, DDS, MAGD


James W. Zimmerman, DDS

Vice Director District XI

Daryl Scott, DDS

OSU Student Representative

Lauren Ames

CWRU Student Representative

Elias Khawam

Faculty Advisors & Student Representatives

OSU Faculty Advisor

James Cottle, DDS, FAGD

Past Presidents
2020-2022 Tyler L. Scott, DDS, FAGD2016-2018 Aparna Sadineni, DDS, AAACD, MAGD, FICOI
2014-2016 David G Austin, DDS, MS1990-1992 Donald J Palenshus, DDS, MAGD
2012-2014 L. Don Shumaker DDS, MAGD1988-1990 Richard W Samuel, DDS, MAGD
2010-2012 Diane Arel, DDS, MAGD1986-1988 Robert L Ramus, DDS, MAGD
2008-2010 Robert Barsan, DDS, MAGD1984-1986 Marvin M Fisk, DDS
2006-2008 Kathy Brisley-Sedon, DDS, MAGD1982-1984 Donald D Decenso, DDS, FAGD
2004-2006 William H. Garber, DDS, FAGD1980-1982 L Don Shumaker, DDS, FAGD
2002-2004 Ronald J Palenshus, DDS, MAGD1978-1980 Elvin Feltman Jr DDS, MAGD
2000-2002 James C Schneider, DDS, MAGD1976-1978 Dwight M Pemberton, DDS, FAGD
1998-2000 Hans P Guter, DDS1974-1976 Edward B Jones, DDS, FAGD
1996-1998 Neal B Forbes, DMD1973-1974 Bernard J Dennison, DDS
1994-1996 Ervin P Mason, DDS1968-1973 Lionel J French, DDS, FAGD
1992-1994 Roger D Winland, DDS, MAGD