Angela Barron

Angela Barron leads our Human Resources department and initiatives. Angela is an innovative and strategic human resources expert who enjoys translating business vision into HR initiatives that improve performance, profitability, growth and employee engagement. Angela earned a Bachelor of Science in Business Administration from California State University of Fresno and a Master of Arts in Organizational Management from the University of Phoenix. She is a Professional in Human Resources (PHR), Society of Human Resources Management Certified Professional (SHRM-CP) and a Certified Mediator.

Joe A. Irizarry

Prior to joining Raba Kistner in 2004, Joe Irizarry spent most of his career with a Fortune 500 service industry firm, focusing on sales management, strategic planning, leadership development, and process improvement. He now leads Raba Kistner’s business development and marketing initiatives, and enjoys helping the firm, its clients, his community and business networks elevate their performances. A Southwestern University graduate, Joe also is chairman of the North San Antonio Chamber of Commerce Government Affairs Council.

Gary W. Raba, D.Eng, PE

Dr. Gary Raba is a recognized leader among infrastructure engineering consultants in the U.S. After earning three degrees in Civil Engineering from Texas A&M University, he embarked on a 39-year career that has involved significant projects for many governmental agencies and Departments of Transportation around the country. He developed quality assurance software that made Raba Kistner the in-demand partner on some of the largest, record setting projects across the U.S. Gary served as CEO/President of Raba Kistner, Inc. from 2013 to 2020. He now provides strategic leadership and pursues growth opportunities for the company.

Ryan Venable

Ryan has a 20-year track record of achievement and experience in operations and business development for technology and engineering companies and specialized knowledge in oil and gas, petrochemical and construction industries. As Senior Vice President, Gulf Coast Marketplace Leader, Ryan is helping establish new offices in Texas and Louisiana and leading the firm’s growth strategy in the Gulf Coast region, including Houston.

Thomas Burr

After earning degrees from the University of Oregon and Baylor University, Thomas Burr worked for international corporations in environmental consulting and management roles before joining Raba Kistner in 2015. He now manages client development and is involved with state and federal agencies on environmental compliance efforts that involve permitting, testing, regulatory reporting, management and auditing. Tom is also responsible for extending the group’s offerings, including the recent growth of archaeological services and the addition of coastal and hydraulic consulting.

Gabriel Ornelas, Jr., PE

Gabriel possesses the advanced technical, leadership, communication, and business skills to interact with clients and lead a consulting team to success. His principal practice areas relative to consulting and design experience include construction materials testing and engineering, forensic engineering, and geotechnical engineering. Gabriel has more than 20 years work experience involving management and execution of construction quality control testing and inspection services on major construction projects in Texas.

Richard S. McNary

Dick McNary is President and COO of Raba Kistner Project Control. Dick has been with the firm since 1985, working his way up through all aspects of managing the business, from his start as Project Manager. Most recently, Dick has guided his project management group through expansions into multiple markets throughout Texas. He is involved in Chamber of Commerce initiatives and is a graduate of their leadership development program. He also is a past member of the Alamo RMA’s Community Advisory Group for the Loop 1604 and Highway 281 Improvements.

Russel W. Lenz, PE

With more than 35 years of experience in the development, delivery, maintenance, and operation of transportation projects, Russel Lenz develops strategic and tactical plans to advance programs and projects that will provide engineering, environmental and construction-related services to the transportation industry. Mr. Lenz’s experience is based on his executive level leadership positions within TxDOT as the Director of the Construction Division, District Engineer for multiple Districts. He also served as the Director of Heavy, Municipal and Utilities Divisions for AGC of Texas.

Renan Pierre-Louis, MBA

Renan is a strategic and business-savvy professional with over 20 years of progressive financial leadership in the engineering and construction industry. He brings deep experience in leading high performing finance and accounting teams, financial reporting and analysis, acquisitions and integration. Renan is skilled in bridging the gap between business operations and finance & accounting through close collaboration with senior executive teams and operational business units. He has delivered proven results in team building, project management and people management. Renan earned a Bachelor’s degree in Management and Accounting from the University of Massachusetts, Boston, and a Master of Business Administration and Finance from Northeastern University.

Chris L. Schultz, PE, PMP

Chris serves as the President of Raba Kistner, Inc. With more than 30 years of experience, exclusively with Raba Kistner, Chris provides strategic leadership and is responsible for the overall operations and resources of the company. In his previous roles he was responsible for scope development, contracting, financial management, and implementation of Raba Kistner’s geotechnical engineering projects across many industries for the entire company. He also served as the firm’s first Marketplace Leader, responsible the business in the Houston area. After earning a B.S. from the University of Colorado, Chris received an M.S. in Civil Engineering from the University of Texas at San Antonio. He has served in state board positions for TSPE and TCEL.