Senator, New York State Senate, District 58, 2011-present

Candidate, New York State Senate, District 58, 2018, 2020

Assistant Minority Leader Pro Tempore, New York State Assembly, 2010

Assembly Member, New York State Assembly, District 137, 2005-2010

Member, Codes Committee

Member, Energy and Telecommunications Committee

Ranking Member, Finance Committee

Member, Insurance Committee

Ranking Member, Investigations and Government Operations Committee

Member, Judiciary Committee

Member, Rules Committee

Former Member, Agriculture Committee, New York State Senate

Former Member, Banks Committee, New York State Assembly

Former Member, Banks Committee, New York State Senate

Former Chair, Elections Committee, New York State Senate

Former Member, Energy Committee, New York State Assembly

Former Chair, Environmental Conservation Committee, New York State Senate

Former Member, Environmental Conservation Committee, New York State Senate

Former Member, Ethics And Internal Governance Committee, New York State Senate

Former Member, Ethics and Guidance Committee, New York State Assembly

Former Member, Finance Committee, New York State Senate

Former Member, Insurance Committee, New York State Senate

Former Member, Investigations and Government Operations Committee, New York State Senate

Former Member, Judiciary Committee, New York State Assembly

Former Member, Judiciary Committee, New York State Senate

Former Member, Legislative Commission on the Development of Rural Resources, New York State Senate

Former Chair, Republican Task Force on Medicaid Waste, Fraud, and Abuse, New York State Assembly

Former Member, Tourism Committee, New York State Assembly

Former Vice Chair, Transportation Committee, New York State Senate

Former Member, Transportation Committee, New York State Senate

Former Member, Ways and Means Committee, New York State Assembly

Partner, Barclay Damon, Limited Liability Partnership, 2014-present

Attorney/Partner, Davidson & O'Mara, Professional Corporation, 1994-2013

County Attorney, Chemung County, 2000-2004

District Attorney/Assistant District Attorney, Chemung County District Attorney's Office, 1997-1999

Assistant District Attorney, New York County District Attorney's Office, 1991-1994

Trade Specialist, Saint Lawrence Seaway Development Corporation, United States Department of Transportation, 1985-1988

Counsel, Chemung County Industrial Development Agency, present

Member, Ancient Order of Hibernians, Elmira

Former Member, Board of Directors, Southern Tier Economic Growth

Member, Chemung County Bar Association

Former Director, Chemung/Schuyler Chapter, American Red Cross

Member, Farm Bureau of New York/Chemung County

Member, Finger Lakes Regional Economic Development Council

Member, Horseheads Elks

Trustee, Horseheads Free Library

Member, Montour Falls Moose

Member, National Rifle Association (NRA)

Member, New York State Bar Association

Member, New York State County Attorneys Association

Member, New York State District Attorneys Association

Former Member, New York State Judicial Screening Committee, Chemung County

Former Director/Secretary/Counsel, Saint Joseph's Hospital

Member, Saint Mary Our Mother Parish, Horseheads

Former Member, Schuyler County Partnership for Economic Development.

Member, Shooters Committee on Public Education (SCOPE)

Member, Sons of the American Legion

Former Member, Southern Tier Organization to Reform Medicaid (STORM)

Member, Southern Tier Regional Economic Development Council

Board Member, Wings of Eagles

Chair, Chemung/Schuyler Chapter, American Red Cross, 2001-2002

Committee Member, Chemung County Republican Committee, 1996

Awards:

Audubon New York
2018 William B. Hoyt Environmental Excellence Award
http://ny.audubon.org/press-release/nys-senator-thomas-f-o%E2%80%99mara-honored-audubon-new-york%E2%80%99s-william-hoyt-environmental

New York Library Association (NYLA)
2016 Senator Hugh Farley Outstanding Advocate of Libraries Award
https://www.nyla.org/max/4DCGI/cms/review.html?Action=CMS_Document&DocID=39&MenuKey=career