Board of Trustees

In the spring of 2016, a group of private sector business and community leaders decided it was time to organize community wide support for the Tulsa County Sheriff’s Office.

Tim Harris

Tim served as the elected Tulsa County District Attorney for 16 years and as a criminal prosecutor for 28 years. As the top law enforcement officer in Tula County, he was responsible for the prosecution of 12,000 criminal cases under his direction.

He presently teaches law at ORU and business in the graduate Master’s program at Oklahoma Wesleyan University. He also serves as a public safety consultant for Tim Harris RDS Consulting, LLC
He helped implement alternatives to prison courts when appropriate including Mental Health Court, Community Sentencing, DA Supervision and Women in Recovery.

He is a mediator with Project Early Settlement. He served the people of Oklahoma as Chairman of the Oklahoma Bureau of Narcotics and Dangerous Drugs Commission. He is an advisor to the Child Fatality and Domestic Fatality Review Boards and as a Council member for the Oklahoma District Attorney Association.

Tim has been married to Dr. Tiari Harris for 32 years and has two grown children.

Jon M. McGrath

Jon M. McGrath is a fourth generation Railroad Contractor and President of McGrath LLC in Tulsa. His firm designs, constructs, maintains and inspects railroads for Shortline, Regional, Military and Industrial railroad customers. Jon has been involved in the construction of a number of Inter City Mass Transit Systems across the United States.

A native Tulsan, Jon was educated at Bishop Kelley High School, Crowder College, The University of Oklahoma and Tuck Business School at Dartmouth College.

Jon helped establish the Northeast Oklahoma Warrants Taskforce through the United States Marshals Service and was a founding member of the Tulsa Police Department Foundation. Jon has served on a number of public and private boards including the Tulsa Police Community Relations Committee, Tulsa Human Rights Commission, Tulsa Transit Authority and INCOG. He is the former Chairman of the National Railroad Construction & Maintenance Association (NRC) based in Washington, D.C. and a graduate of Leadership Tulsa and Leadership Oklahoma.

Jon currently serves on the City of Tulsa- Rogers County Port Authority, Tulsa Industrial Authority and the Board of Directors at the Midway USA Foundation.

Frazier Henke

Frazier is the President and CEO of American Bank and Trust Company in Tulsa. A graduate of Northwestern University and the University of Tulsa College of Law, Frazier currently serves as a Director of CommunityCare Managed Health Plans of Oklahoma and as Vice Chairman of the Department of Corrections Board of Corrections.

Frazier also serves as a Trustee of the Tulsa County Bar foundation and as a Director of the Boy Scouts of America Indian Nations Council and the Tulsa Committee of 100. His past service includes membership on the boards of the Oklahoma Bankers Association, Operation Aware, the Henry Zarrow International School foundation and the Child Abuse Network, among others.

Frazier is married to State Rep. Katie Henke, and the couple have a young son, Fletcher.

Bob Jack


Bob has spent 46 years in the construction industry managing electrical contractors and in construction management. He was employed by Manhattan Construction as Senior Vice President. Currently he is self employed as a construction management consulting working on downtown renovation projects.

Bob is a graduate of Leadership Oklahoma, past board member at the Tulsa Regional Chamber, Oklahoma State Chamber and other industry organizations. He is a board member at John 3:16 and Up With Trees

Bob has been married to Alexis for 42 years, has two grown children and one grandson

T. Hastings Siegfried


T. Hastings Siegfried is corporate vice chairman and COO of Asia Pacific, international joint ventures, NORDAM’s Transparency group, NORDAM Europe Ltd., and PartPilot, LLC.

As vice chairman, he directs NORDAM initiatives and committees responsible for the development of NORDAM’s board of directors, governance, company policies, ethics, regulatory compliance, strategy and company bylaws. He also serves as chairman of the board’s governance committee.

In his role as COO for NORDAM’s Transparency group, he oversees that division’s operations, manufacturing, strategy and development for aviation-transparency products globally, including commercial, helicopter, general aviation, and military sectors.

As COO of NORDAM’s Asia-Pacific and India-based business, he draws upon his considerable knowledge and background in aviation manufacturing, supply chain and repair services to lead in this important region.

Also providing senior executive leadership to wholly-owned NORDAM subsidiary PartPilot, Siegfried ensures this groundbreaking online-trading marketplace fulfills its mission to transform the way the aviation industry thinks and works, delivering a more intelligent aviation-component marketplace for the 21st century.

Throughout his career, Siegfried has been an active NORDAM representative in the community, in aviation- industry organizations and in government relations. He is a member of the board of directors for community healthcare-provider St. John Medical Center; for GAMA, an industry group focused on general-aviation manufacturing, as well as the Tulsa Police Department Foundation, Tulsa County Sheriff’s foundation and the Oklahoma Bureau of Narcotics (OBN) through appointment by the Governor. He previously served through appointment by Oklahoma Gov. Mary Fallin as chairman of the state’s Office of Juvenile Affairs board and vice chairman of the Oklahoma Department of Corrections board. His other past board memberships include the Tulsa Chapter of the American Red Cross, Boy Scouts of America, Tulsa Regional Chamber of Commerce, Tulsa Area United Way, Indian Healthcare Services of Tulsa and aerospace-industry trade organization AIA.

A graduate of the University of Notre Dame in Indiana, Siegfried began his career as a Tulsa Police officer. Even after joining NORDAM in 1998, he continued his work in law enforcement and public safety for 26 years, retiring from those endeavors in 2017. He currently volunteers as an unsolved-homicide investigator with the Tulsa County Sheriff department’s cold-case task force.