10 Clayco executives
Chief Executive Officer, President, Chief Financial Officer, Chief Operating Officer, Construction and President, Southwest Region are among the current titles held by these Clayco executives. A reader can learn how executives lead Clayco from people who have held the role.
Professionals to explore
Anthony Johnson
LinkedInExperience: Chief Executive Officer · Clayco
Anthony Johnson has been Chief Executive Officer at Clayco since January 2025, based in St. Louis, Missouri. Anthony Johnson was President, Industrial Business Unit at Clayco from October 2019 to January 2025 and Executive Vice President & Shareholder, Industrial Business Unit Leader there from April 2017 to October 2019.
Jason Kopp
LinkedInExperience: Executive Vice President · Clayco
Jason Kopp has been Executive Vice President at Clayco since March 2026, based in Greater Chicago. Jason Kopp was Chief Operating Officer - Central Region at AECOM Hunt from July 2019 to February 2026 and Vice President - Business Group Leader at The Walsh Group - Walsh Construction & Archer Western from August 2013 to July 2019.
Jason Mrozek
LinkedInExperience: President, Self-Perform · Clayco
Jason Mrozek has been President, Self-Perform at Clayco since January 2026, based in San Diego, California. Jason Mrozek was Executive Vice President at Cal Solar Inc. from October 2023 to January 2026 and Vice President of Operations (Castle Contracting, LLC) at McCarthy Holdings, Inc. from 2022 to August 2023.
Jeff Cannedy
LinkedInExperience: Executive Vice President Industrial Business Unit, Shareholder · Clayco
Jeff Cannedy has been Executive Vice President Industrial Business Unit, Shareholder at Clayco since August 2019, based in St. Louis, Missouri. Jeff Cannedy was Sr. Vice President at Clayco from April 2015 to August 2019 and Vice President at Clayco from 1994 to April 2015.
Justin Lienemann
LinkedInExperience: Chief Financial Officer · Clayco
Justin Lienemann has been Chief Financial Officer at Clayco since December 2021, based in Ballwin, Missouri. Justin Lienemann was Chief Financial Officer at Lumeris // Essence Group Holdings Corporation from September 2018 to January 2022 and Vice President - Financial Planning & Analysis at Express Scripts Pharmacy Benefit Services from April 2016 to September 2018.
Mike Pierle
LinkedInExperience: Chief Operating Officer, Construction · Clayco
Mike Pierle has been Chief Operating Officer, Construction at Clayco since January 2025, based in Charlotte, North Carolina. Mike Pierle was Executive Vice President at Clayco from March 2016 to January 2025 and Executive Vice President at Roy Anderson Corp from 2015 to March 2016.
Otto Nichols III
LinkedInExperience: Executive Vice President & Shareholder · Clayco
Otto Nichols III has been Executive Vice President & Shareholder at Clayco since June 2018, based in Greater Chicago. Otto Nichols III was Vice President at Clayco from December 2004 to June 2018 and has been Lead Trustee at Juneteenth Fund - The Clayco Foundation since June 2020.
Ryan Abbott
LinkedInExperience: President, Southwest Region · Clayco
Ryan Abbott has been President, Southwest Region at Clayco since March 2024, based in Phoenix, Arizona. Ryan Abbott was Executive Vice President at Clayco from April 2022 to April 2024 and Senior Vice President at Sundt Construction from February 2016 to April 2022.
Ryan McGuire
LinkedInExperience: President, Construction & Shareholder · Clayco
Ryan McGuire has been President, Construction & Shareholder at Clayco since May 2025 and President, Clayco Compute & Shareholder since January 2025. Ryan McGuire was Executive Vice President & Shareholder, Corporate Business Unit Leader at Clayco from June 2018 to January 2025 and Vice President - Corporate Business Unit Leader, Chicago from March 2016 to June 2018.
Steve Sieckhaus
LinkedInExperience: President · Clayco
Steve Sieckhaus has been President at Clayco since January 2025, based in St. Louis, Missouri. Steve Sieckhaus was Chief Operating Officer at Clayco from 2007 to January 2025, Vice President of Operations there from 2000 to 2007 and Regional Vice-President from 1998 to 1999.
Choose the right perspective
Match the person's business unit, region or function to the decision you face, since a corporate officer and a business unit or region leader see different parts of the company. Check the dates on each role to judge how recent the experience is.
Questions to take into the conversation
- 01What did you focus on first when you took on your current executive role, and why?
- 02How do you decide which issues need your own attention and which your leadership group should own?
- 03What has your own work taught you about leading people across business units in a construction business?
Reaching Clayco executives
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About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot; roles marked former had ended by then. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.