Board Executive Committee


  Brian Keith


Brian is Director of Urban Design and Planning for JHP. He brings a passion for place-making, creating communities, and visioning of neighborhood redevelopments which emphasize diversity and sustainable over time. As a dedicated advocate for “Good Urbanism” his endeavors to infuse these planning principles into all his projects and efforts.Brian has more than 25-years of extensive mixed-use, urban redevelopment and master planning experience. His professional experience having been centered on urban design and planning, lead to a desire to create both livable communities and great urban spaces. Brian has served as the Chair of GDPC Urban Design Awards 2014, 2015 and 2016.


  Paul E. Ridley, AIA

  Past President

Paul E. Ridley is the founding principal of the Ridley Law Firm, P.C. The firm's practice is commercial litigation, construction law and transactional legal services. Mr. Ridley has been actively involved with the GDPC for more than 12 years. He is a former member of the Dallas Landmark Commission and currently serves on the City of Dallas Plan Commission. Mr. Ridley is also a registered architect.


  Carmen Garcia

  Past President and VP Membership

Carmen García launched her new company in December of 2020, ABRAC, LLC and serves as President.  ABRAC, a Business Relations Advisory Company, will focus on advocating for the growth and inclusion of minority business enterprises with providing professional services in the areas of public involvement, community engagement, government relations and diversity & inclusion.  Previously, she was the Assistant Vice President, Diversity & Inclusion and Outreach Programs for Dallas Area Rapid Transit (DART) after serving 12 years at the Agency. She directed the agency’s minority outreach program for minority contracts and D/M/WBE vendors. She developed strategic partnerships and served as a liaison to major chambers representing minorities, women and small business enterprises to enhance economic opportunities. Prior to joining DART, Carmen spent seven years with the State Fair of Texas as the director of community affairs responsible for the Fair’s Speakers Bureau and special events. Additionally, she is active in a broad spectrum of national, state and local diverse organizations. The Houston native graduated from Dallas Baptist University with a degree in public administration.


  Phil Morley, AIA


Phil is VP of Business Development for Armstrong-Douglass Structural Engineers. His more than 40 year career includes ownership of an award-winning architectural firm, authorship of a book on problem-solving, business development for his own firm and others which brought in millions in revenue. Phil received his Bachelor of Environmental Design degree from Texas A&M, and his Master of Architecture degree, also from Texas A&M.


  Michael Carleton


Michael Carleton has over 30 years’ experience in both energy and environmental fields. He is a project manager for the firm of Arredondo, Zepeda & Brunz LLC. Mr. Carleton’s educational background is in public administration and he works with clients to develop infrastructure projects in an environmentally and publicly acceptable manner. His projects have included long-term solid waste management plans, facility permitting, program management and various energy feasibility studies.


  Ruben Landa

  VP Programs, President Elect

Ruben Landa is an experienced and accomplished leader in the architecture, engineering and construction industry with more than 18 years of experience in public involvement, public affairs, planning and diversity program management. His career includes time with STV Incorporated, HDR Inc., the Texas State Senate, K Strategies Group and now with WSP USA, Inc., where he is the senior communications manager for the Texas/Mountain Region. A proud native Texan, Ruben has earned Bachelor and Master of Arts degrees in political science from Sam Houston State University. 


Christopher Hernandez

VP Issues

Christopher Hernandez is a practicing engineer at Kimley-Horn and an avid advocate of interdisciplinary collaboration and design. His experience includes planning and site civil design for residential, office, commercial, and infrastructure projects. A former member of the Urban Design Awards Judges Panel and Urban Design Awards Committee, and an active participant in multiple GDPC Task Forces, Christopher aims to use his skills as an engineer and networker in service of the GDPC and the Greater Dallas community. In addition to matters of design and construction, Christopher has a passion for education and STEM programs for K-12 students, and is committed to uplifting youth towards future opportunities of growth and leadership.


  Michael A. Grace, AICP

  At Large

Mike Grace is the founding principal of Metro Development Consulting with 15+ years of experience in government, land development, planning and public policy. In 2014, he participated in New Cities Summit and was one of 50 individuals selected worldwide to participate in The Purpose City. Additionally, he was the Partnership Award honoree at the 2016 Texas Trails and Active Transportation Conference, and he is a D Academy Fellow (2013-2014), a leadership academy managed and underwritten by D Magazine. Mr. Grace received a Masters of Regional/City Planning, a Bachelor of Arts & Science in Geography, and an Economic Development Certificate from the University of Oklahoma.


  David Retzsch


David serves as the Urban Design Studio leader at Freese and Nichols, Inc. He has extensive experience in multidisciplinary design projects where he thrives on teamwork and collaboration. His background with large, multi-disciplinary design firms affords strong insights into allied professional fields which he applies to the leadership of projects. His experience ranges from master planning of residential communities to corporate campus designs and parks/open spaces with a specialization in public/private infrastructure enhancements.


Tony Sosebee, PE, DBIA

At Large

Tony is a Principal with Huitt-Zollars providing leadership to a Dallas-based team in the public works, transportation, and land development markets. His background of extensive experience in these areas locally, across Texas and a other states helps others with project execution, staff development and firm management. In addition to serving on the GDPC Board, he also serves on the boards of the North Dallas Chamber and the North Texas Commission. He brings a passion for enhancing the long term growth of our community and region through sustainable practices, investments in infrastructure, and balanced development strategies.