ABOUT - Board of Managers


SENSR Board of Managers

Front Row (L-R): Melvin B. Pendland, Walter Bleser, William Shell
Back Row (L-R): Gerald G. Albin, William C. Clawson, Gregory Grissom, Robert Timothy Harris


Melvin B. Pendland

Mel Pendland is a native of Palestine, TX, and a graduate of Texas Christian University. He holds a Certificate in Advanced Management from the University of Chicago and is a graduate of the Center for Creative Leadership. He began his career in local government, serving as a Planner and Director of Research and Analysis for the City of Fort Worth, TX, and as Director of Research and Development for the City of Des Moines, IA. He served on the Iowa Crime Commission and worked as a consultant for the office of Governor Robert Ray.

Mr. Pendland had a distinguished 21-year career in management for the Missouri Pacific Railroad and the Union Pacific Railroad, where he served as Director of Risk Management Programs and Director of Service Reliability. After leaving the Railroad in 1994, Mr. Pendland became a principal for Capitol City Management Associates, LLC., and has provided consulting services to numerous clients in international transportation, banking, software development, construction, and business management. Over the years he has developed specialized services for clients requiring detailed business planning and organizational development.

He served as President of the Georgetown Chamber of Commerce from 1999 until his retirement in 2013. He has been recognized with a number of awards, including the Owen W. Sherrill Award for Lifetime Achievements in Economic Development and the Martha Diaz Hurtado College Town Award presented by Southwestern University. He is a founding board member and was twice Chairman of the Texas Life-Sciences Collaboration Center and has also served as a member of the Advisory Board for Regions Bank NA, Austin Region. He has served on several commissions for the City of Georgetown, including the 2030 Long-Range Planning Commission.

Mel and his wife Janet reside in Georgetown, TX, where he continues to operate Capitol City Management Associates, LLC.


Walter Bleser - President

Walt Bleser was appointed President of SENSR Monitoring Technologies, LLC in May 2015. Read his full bio on the Senior Management page.


William Shell - Chairman

Mr. "Wiggie" Shell joined Georgetown Rail Equipment Company (GREX) in 1998 as Director of Mechanical and Safety shortly after the equipment company split from Georgetown Railroad Company. During the twenty-one years he was at the railroad he held various positions, including managing a fleet of over seventeen hundred railcars and supervising the construction of the original DumpTrain® and Slot Machine®.

Mr. Shell served as Vice President of GREX’s Operations for eight years before he was elected President and CEO of Georgetown Rail Equipment Company in 2009. He currently serves on the GREX Board of Directors.

In December 2015, Wiggie Shell was elected to serve on the NRC Board of Directors. The board of the National Railroad Construction and Maintenance Association works closely with government and business leaders to promote and protect rail contractors and suppliers.

Mr. Shell serves on various boards in his community.


Gerald G. Albin, PE

Mr. Albin is an associate with Felsburg, Holt & Ullevig, a transportation consulting firm specializing in transportation planning / traffic engineering, environmental, civil engineering and construction management services. He had joined Felsburg, Holt & Ullevig in 2006. Between 1995 and 2006, Mr. Albin served as Vice President and Principal at TranSystems Corporation, a transportation consulting company specializing in railroad engineering and construction management. He is the former Chief Engineer Field Operations of BNSF Railway, a class 1 railroad company. Mr. Albin held numerous positions, directly supervising railway maintenance, engineering, environmental, signal and tele-communications departments. He retired from BNSF in 1995 with 33 years of service.

Mr. Albin holds a B.S. in Civil Engineering and is a registered professional engineer in the states of Colorado, Wyoming, & Montana. Mr. Albin serves as Director on the Board of Georgetown Rail Equipment Company (GREX) since 1999 and since January 2010, Mr. Albin is the Chairman of the GREX Audit Committee. 


William C. Clawson, PE, Ph.D.

Dr. Clawson is the owner of Clawson Consulting Engineers LLC, providing bridge design and quality review services to national engineering firms and contractors. He is currently serving as the third-party independent reviewer for the new extension of the Denver light rail system. He has over 35 years of experience in the transportation industry. In 2013, Dr. Clawson retired from HNTB Corporation, a national consulting firm specializing in transportation engineering, construction, planning and architecture. He joined HNTB in 1986 as a senior bridge engineer and held positions as project manager, section manager, group director and vice president for the Kansas City bridge department. In 2008, he joined the newly formed Design-Build Division of HNTB, serving as client director for several national contractors. In 2010, he was named the National Quality Officer for HNTB’s Bridge and Tunnel Service Group, and served as the Design Quality Manager for several major infrastructure design-build projects including $1 billion start-up projects for the new Honolulu light rail line. Prior to HNTB, Dr. Clawson worked six years for Exxon Production Research Co. as a research specialist, providing offshore structural design and research for Exxon’s foreign affiliates.

Dr. Clawson holds the following degrees from the University of Kansas: BS Business Administration 1972, BS Civil Engineering 1976, MS Civil Engineering 1978, and PhD Civil Engineering 1981. He taught as an Adjunct Professor in the KU Department of Civil Engineering from 1989-1992. He is licensed as a professional engineer in 14 states. Dr. Clawson serves as the Chair of the Board of Zoning Appeals for the City of Leawood, KS, and is an Advisory Board Member of the Civil and Architectural Engineering Department at the University of Kansas.


Gregory Grissom

Greg has fifteen years of experience in various roles related to railroad design, rail technology applications, and railway engineering research.  Mr. Grissom serves as the Vice President of Engineering for Georgetown Rail Equipment Company (GREX) overseeing all technical product engineering and Research and Development, including GREX’s proprietary track inspection systems.  In previous roles, Greg was HNTB's Union Pacific Client Service Leader and Project Manager on several key rail design projects including several high speed rail initiatives.   Greg also served at Zeta-Tech Associates, where he was involved in numerous rail research projects, field studies, and software applications for the rail industry. Greg is formerly Chairman of AREMA Committee 30, Ties, and is a licensed professional engineer in four states: Illinois, Wisconsin, New Jersey, and Texas.  He holds a Bachelors and Masters in Civil Engineering from the University of Delaware where he studied railway engineering under the late-Dr. Arnold Kerr.  

In 2013, Grissom was named one of Progressive Railroading’s “rising stars” recognizing 20 top performers under 40 years of age with notable contributions to the rail industry.


Robert Timothy Harris

Mr. Tim Harris is the Vice President, Corporate Affairs and Business Management of Georgetown Rail Equipment Company (GREX).  Prior to joining GREX in 2001, Mr. Harris spent 30 years in the banking industry, and was the President of the Georgetown Division of Regions Bank, and before that Hartland Bank.  Prior to that, Mr. Harris held various positions with Texas American Bank in Austin, from teller to Executive Vice President.  

Mr. Harris holds a B.A. of Business Administration from Louisiana University, and a Graduate Banking Degree from Southwest Graduate School of Banking at SMU.  He served on several local Boards, and has served as Chairman of the Georgetown Chamber of Commerce and Georgetown Partners in Education, and President of the Rotary Club.  He was selected “Citizen of the Year” in 2001, and received a Lifetime Achievement Award in 2009 for Economic Development.