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The Senior Leadership Team at Distirbution International is dedicated to enhancing the lives of every DI associate.


Steve Margolius, President

Steve Margolius joined Distribution International in June 2017. Prior to TopBuild’s acquisition of DI in October 2021, he served as Chief Executive Officer and a member of the Board of Directors. He has earned more than 30 years of operational and financial leadership experience in industrial distribution and manufacturing industries while serving at HD Supply, Arrow Electronics, and GE.

Prior to joining DI, Steve was a senior leader in multiple HD Supply (HDS) businesses before and after HDS became a publicly traded company. In HDS's largest business unit, Facilities Maintenance, he was Chief Sales Officer and Chief Operating Officer. Other roles during his 10 years of service at HDS include CEO and President of HDS Power Solutions, Chief Commercial Officer for HDS, Chief Operating Officer for Power Solutions, and President of HDS's Electrical and Plumbing/HVAC business.

Steve served as Vice President of Finance and Support Services for Arrow Electronics' North American Components Division from 2001 to 2006. In addition to his financial leadership role at Arrow, he led the logistics organization and the global lean sigma team. He was with GE from 1987 to 2001 in multiple financial leadership positions in U.S. and European-based manufacturing businesses, including GE Plastics and GE Appliances.

Steve holds a bachelor's degree from State University of New York and has attended advanced business leadership programs at Harvard Business School and the Stanford Graduate School of Business.


Lance Devin, Chief Operations Officer

Lance Devin became Chief Operations Officer on June 1, 2020 and leads the functions that consistently deliver on DI's promise of exceptional service: Safety, Strategic Sourcing, Inventory Management, Purchasing, Fabrication, Logistics, Marketing, and Pricing. He previously served as Senior Vice President and General Manager of the Central Division from January 2018 to May 2020. He has nearly 20 years of operational leadership and sales experience in distribution, project-based business and manufacturing while serving at HD Supply and The Home Depot.

Prior to joining DI, Lance was a senior leader in multiple HD Supply business units from 2004 to 2017. In HD Supply's largest business unit, Facilities Maintenance, he was Vice President of Multifamily, Institutional and Property Improvement. Prior to that, Lance held the positions of President and Vice President of HD Supply's Interior Solutions business unit. Mr. Devin was a Project Manager for The Home Depot/Expo Design Centers in Denver, Colorado from 2002 to 2004.

Lance served in the U.S. Air Force for over nine years as a pilot, instructor pilot, flight examiner and functional check flight pilot. Lance has a Master of Aeronautical Science from Embry-Riddle Aeronautical University in Florida and a Bachelor of Science in aeronautical engineering from the U.S. Air Force Academy in Colorado.


Joey Viselli, Senior Vice President and General Manager, Specialty Products  

Joey Viselli is Senior Vice President and General Manager of Specialty Products, which includes our Silvercote metal building insulation businesses, Marine insulation business, and Railcar operations. He also led our commercial and industrial insulation operations on the U.S. East Coast from June 2020 until August 2021.

Prior to joining DI, Joey served as Senior Vice President of Silvercote, which DI acquired from Knauf Insulation in June 2019. He is based in Greenville, South Carolina at Silvercote's headquarters.

Joey has more than 30 years of experience with demonstrated success developing and implementing strategies that maximize the value of brands and build strong customer relationships. He began his professional career in sales and marketing at Procter & Gamble in 1990, rising to the positions of Category Sales Manager and Global Brand Manager. He then led Goodyear Tire & Rubber Company's North America Consumer Brand and Marketing functions for five years before joining Knauf Insulation in 2009. He served as their first VP of Marketing, followed by executive leadership roles overseeing acquisitions, Sales and ultimately, Silvercote, where he was charged with improving organizational efficiency and sales performance.

He graduated from the University of Alabama with a bachelor's degree in management.


Korey Haun, Senior Vice President and General Manager, U.S. West and Crossroads Division

Korey Haun is Senior Vice President and General Manager of the U.S. West and Silvercote Division. The U.S. West comprises DI's mechanical insulation business in the Northwest, Southwest, and Rockies regions. He also leads our Crossroads mechanical insulation business in Canada.

Korey has more than 20 years of industry sales and operational leadership experience in the distribution and fabrication of commercial and industrial insulation products and accessories in Canada.

Prior to joining DI, Korey held progressive leadership roles at Crossroads C&I Distributors Inc. He also held sales and progressive leadership roles at CCI such as Technical Sales Representative, Sales Manager, VP Sales and President – Canada.

Korey holds Marketing and Management Diploma's from Northern Alberta Institute of Technology and has attended management and leadership programs at the University of Alberta and Harvard University in Cambridge, Mass. He has also been a prior board member of the Thermal Insulation Association of Canada (TIAC) and served on several of CCI's boards of directors as an active member since 2006.