State Board of Equalization
Tyre L. Gray, Esq.
Tyre L. Gray, Esq., President of the Nevada Mining Association, is a charismatic thought-leader. Known for his big laugh and positive outlook, Tyre cut his teeth as an educator at an at-risk learning academy before transitioning into the private sector where he spent the past two decades acquiring a wide variety of skills holding leadership positions in the consulting, resorts, and legal industry. Immediately before taking the helm of the Association, Tyre was an attorney in private practice focusing on government affairs, where he represented a Fortune 5 company and numerous Fortune 500 companies before local, state, and federal regulatory and legislative bodies across the southwestern states. Tyre's sharp dress is only matched by his sharp wit and great appreciation for music. Tyre lives in Las Vegas, NV, with his wife, Ashanti, son Adonis, and his daughter, Reign.
Benjamin Q. Johnson
Benjamin Q. Johnson is an independent fee appraiser. He earned the MAI designation from the Appraisal Institute, becoming the youngest in the organization’s history to earn its highest designation.
Ben graduated from Santa Clara University with a bachelor’s degree in commerce majoring in economics.
He presently sits on the following boards:
-Nevada Chapter of the Appraisal Institute
-Eagle Scout Board of Review
-Tahoe Citizen’s Committee
-AD Sports Tahoe
Ben is a fourth generation native Nevadan. He lives in Zephyr Cove with his wife and daughter.
Mr. Robert Schiffmacher, MAI graduated from the University of Nevada Reno with a bachelor’s degree in Business Administration before starting his appraisal career in 1991 at Stephen R. Johnson and Associates. He also worked for the Washoe County Assessor’s Office as an Appraiser III before forming Wright, Warren and Schiffmacher LLC., now Warren and Schiffmacher LLC in 1997. He earned the MAI designation from the Appraisal Institute in 2000.
Mr. Schiffmacher has served the Appraisal Community through the local chapter of the Appraisal Institute as President, Vice President, Treasurer, Secretary and as a member of the Board of Directors for nearly 20 years. He lives in Reno, Nevada with his wife of 33 years, Linda.
Mr. Al Plank graduated with a Bachelor of Arts from Carroll College in Helena, Montana. He is Certified Public Accountant (CPA) and a member of the American Institute of CPAs and Nevada Society of CPAs. He worked for 10 years in public accounting before moving to the mining industry for the past 23 years. As a life-long resident of Northeast Nevada, he served in a variety of positions for local groups in and around Elko, NV including several years as a member of the Elko County Board of Equalization.
Al currently lives in Spring Creek, Nevada with his wife Teresa and has two children in college.
Glenn Trowbridge is a graduate of San Diego State University and holds a Masters Degree in Business Administration. He retired from Clark County after 25 years of service as the Director
of Human Resources and the Director of Parks and Recreation. He is an Air Force veteran.
Glenn served as a Board Member of the Clark County Credit Union for 30 years, and as a City of Las Vegas Planning Commissioner for 10 years and the Clark County Board of Equalization for 11 years prior to being appointed to the State Legislature in 2015. Glenn has been licensed by the Nevada State Athletic Commission as a judge of professional boxing and MMA since 1994.
Glenn has lived in Las Vegas for almost 40 years and has been married to Tricia (Hill) for 35 years. Their son Tom is a student at UNR.