Sandra Marks

Senior Vice President

Sandra Marks is Senior Vice President and part of the Executive Team for Clayco. She addresses external areas of outreach, alignment of community resources and impactful improvement of the design and construction industry—locally and nationwide.

In December 2020, Clayco announced the official launch of Clayco Rising, the company’s all-encompassing diversity, equity, and inclusion program. As a corporate diversity and inclusion pioneer, Clayco brings together a robust variety of barrier-breaking measures enhanced within the organization over the past 25 years to drive a more equitable future in design and construction.

Prior to joining Clayco in 2015, Sandra was CEO/Founder of Marks and Associates, providing supplier diversity program development and management, small business and entrepreneurial training, and data management to a broad range of corporate clients, including Washington University in St. Louis, BJC Healthcare, and Clayco. Teamed with Clayco’s founder and CEO, Bob Clark, Sandra continues to integrate her approach to small business development and serves as a thought leader serving on several advisory boards.

Sandra is a graduate of the University of Missouri St. Louis and received her Master in Business Administration from Washington University in St. Louis.  She was recently inducted into the Distinguished Alumni Association of the University of Missouri St. Louis and was recognized as one of the Top 25 Most Influential Women in St. Louis.  She is also a proud member of the Alpha Kappa Alpha Sorority, Inc.

She is married to Cozy W. Marks, III, has two adult children, and six grandchildren and resides in St. Louis, Missouri.

What Inspires You?

“I have always had a passion for people and teaching. I love the feeling I get when I pass knowledge on to someone else and, as a result, they are better or their lives are better. This is why I chose consulting when I started my business and also why I love what I now do for Clayco because I get a chance to “teach” our clients and the community the lessons we have learned that can have a positive impact on our industry. I also get a chance to “teach” the community about careers in our industry and what they can do for others when they are empowered economically!”

+1 314-595-6330


University of Missouri St. Louis – Distinguished Alumni
St. Louis Business Journal Character Profile – 2011
St. Louis Minority Supplier Development Council-Advocate of the Year
St. Louis Council of Construction Consumers – Advocate of the Year
Small Business Administration – Advocate of the Year
“Make a Difference” Award – The Minority Youth In Construction Program


Chair, Diversity Committee, St. Louis Council of Construction Consumers
Member, Advisory Board, Regional Union Contracting Center
Board Member, ARCHS
Board Member, Antioch In The Ville
Consortium for Graduate Students in Management
Member, Alpha Kappa Alpha Sorority, Inc.
Member, Economic Review Council, 2005
Member, Construction Diversity Task Force
Former Director, The Business of Construction Course (AGC of St. Louis and Washington University in St. Louis)


Masters in Business Administration -Washington University in St. Louis
Bachelor of Science Business Administration, (Magna Cum Laude) – University of Missouri St. Louis