Colorado Stone, Sand & Gravel Association Staff



Todd R. Ohlheiser, Executive Director

Todd Ohlheiser has been Executive Director for the CSSGA, as well as the Colorado Ready Mixed Concrete Association (CRMCA) since 2013.  Prior to that, he spent many years in the construction, aggregate mining and concrete industries managing businesses and operations in both US and Canada.  In his current capacity, Todd oversees both associations in an effort to positively impact legislative, regulatory and safety related issues within the aggregate mining and concrete sectors through educational outreach, lobbying efforts, and quality improvement programs.

Todd holds a B. S. in Business Administration from Regis University in Denver, CO and a Associate Degree in Mechanical Engineering from the North Dakota State College of Science.  He is currently earning a Masters Degree in Organizational Leadership at Colorado State University Global Campus.



Annelise Shepherd, Communications & Administrative Manager

Annelise Shepherd has been involved with the Colorado Stone, Sand & Gravel Association since August 2012 when she began working as a part time Administrative Assistant. Her involvement grew when she came on full time with the Colorado Ready Mixed Concrete Association (CRMCA) and CSSGA in January 2014. Her role has evolved to Communications & Administrative Coordinator.

Annelise spends her time managing the associations’ websites and social media presences, continued research and development of safety training products, event planning, and working with the membership to continue to expand industries’ impact throughout Colorado.

Annelise holds a B.S. in Psychology & Sociology from Virginia Commonwealth University. She is currently earning her Masters in Public Administration with a concentration in Environmental Policy, Management, and Law from the University of Colorado Denver. Her background includes administrative work and research in the social psychology and usability testing fields. She is an avid traveler and enjoys spending her time cooking, hiking, and exploring all that Colorado has to offer.