Mitch Williams: President and CEO

Mitch Williams, CEO of Construction Supply Group has nearly 30 years of Industrial Distribution experience. Mitch started his career in Outside Sales with GE in Ventura, CA. He held several positions at GE Supply including Branch Manager, Region Manager, Six Sigma Master Black Belt, Chief Commercial Director and finally CEO of GE Supply. He then became CEO of Rexel’s Asia Pacific Zone, located in Shanghai, China. Mitch graduated from Texas A&M with Bachelors of Science in Industrial Distribution and he has an MBA from California Lutheran University.

Mary-Knight Tyler: Chief Financial Officer


Mary Knight-Tyler, CFO of Construction Supply Group, has many years of experience in the finance and distribution industries.  Mary-Knight brings over 25 years of financial and operational experience in a broad range of industries, including construction products distribution, and has significant experience with private equity and mergers and acquisitions. She has an impressive resume of managing the exact types of activities we are engaged in including at A.H. Harris, a wholesale distributor and fabricator of specialty construction products and related materials; JPW Industries, a private equity-owned, leading value added distributor; and Winroc-SPI, a market leading distributor of gypsum, ceiling tile and related building products. Mary-Knight holds a Bachelor of Science degree in Accounting from the University of Florida and is a CPA.

Randy Fox: Chief Information Officer


Randy Fox the CIO of Construction Supply Group has over 30 years of IT experience.  Randy comes from the Distribution and Manufacturing businesses including significant M&A and integration experience. He began his career as a software developer, working for multiple companies prior to joining General Electric's Aviation business. He progressed through multiple GE divisions, expanding his responsibilities and broadening his business knowledge. He led IT and Six Sigma for GE’s Distribution business, GE Supply, and held numerous large scale, global IT leadership roles, including Vice President & Chief Information Officer (CIO) for GE Healthcare.

Randy holds a bachelor’s degree in Computer Science from Ball State University in Muncie, Indiana. He also holds a master’s degree in Business Administration from the University of Cincinnati in Ohio.

Brad Greene: SVP of HR

Brad Green brings more than 30 years of human resources experience in industrial distribution and manufacturing to his role as SVP, Human Resources with CSG.  He began his career with Monsanto in three different manufacturing plants and later joined GE Aerospace and was involved in the startup of an electronics manufacturing facility and ultimate sale of the business to Martin Marietta.  He rejoined GE with GE Supply where he had a variety of human resources roles and then moved to GE Consumer & Industrial.  Brad was named to lead human resources for GE Supply in 2004 and had a significant role in the sale and transition of the business to the Rexel Group.  Prior to joining CSG, he spent 11 years as Vice President, Human Resources for Rexel’s $5B electrical distribution business in the U.S.  Brad has a bachelor’s degree from the University of Connecticut in Human Resources and a master’s degree in Industrial & Labor Relations from Cornell University.

Tom Harper: Chief Supply Chain Officer

Tom Harper most recently served as Vice President of Supply Chain for Lennar, the largest  homebuilder in the US, with responsibility for an $8.5 billion supply chain organization. Tom has led a variety of initiatives including supply chain re-engineering, global sourcing, and vertical integration.  Previously, Tom was Vice President of Supply Chain and Fleet with ProBuild, the leading pro-oriented building products distributor in the nation with $6 billion in revenue. During his time at ProBuild Tom centralized supply chain, sourcing, and fleet operations from 6 regions to one shared services HQ. Tom’s passion for supply chain began while serving as a Logistics Officer in the US Army in Germany, running one of the largest munitions depots in Europe.  Tom has a BS in Management and has completed Executive Programs at the Massachusetts Institute of Technology and the University of Chicago. 

John Vandenberg: Vice President of Operations

John Vandenberg is Vice President of Operations with Construction Supply Group. John has worked over 24 years in both Electro-Mechanical manufacturing and distribution. Most recently, John worked for Brock White Company LLC and Brock White Canada ULC as Vice President of operations. Prior to Brock White he worked in Electro Mechanical Manufacturing at C-MAC Electronics and Solectron (currently Flextronics). John brings many years of branch integration, consolidation and green field experience.  John studied Electronic Engineering Technology and Business Administration at Red River College in Winnipeg, Manitoba.

Robbie Kuhn: Sales Operations Director

Robbie Kuhn is the Sales Operations Director for Construction Supply Group. Robbie brings nearly 30 years of Industrial Distribution and Sales Operations experience to our organization. Robbie started her career in Inside Sales with GE in their National Service Center located in Indianapolis, IN. She held many roles throughout her tenure at GE including Inside Sales, Product Specialist, Sales Team Management, Global Contracts Management, and Global Accounts Management. Most recently, she held the position of National Service Center Director leading and supporting National Accounts for Rexel, Inc. Robbie earned a Bachelor of Arts degree in Telecommunications from Indiana University in 1988.

Paul Drobnitch: SVP of Corporate Development

As SVP Strategy & Corporate Development, Paul Drobnitch brings over 25 years of experience in corporate development, strategy, and M&A, spending the last 10 years in the building products distribution industry.  Before joining Construction Supply Group, Paul led corporate development for ABC Supply from 2014 to 2019, where he completed more than 35 acquisitions including national drywall distributor L&W Supply.   Prior to ABC, Paul was Vice President of Corporate Development for Roofing Supply Group, a company also owned by The Sterling Group during his tenure from 2009 to 2013.   


Paul’s background includes similar strategic roles across a range of companies and industries, including Stryker Corporation (medical device manufacturing), Turner Construction (commercial construction), and Chicago Title Insurance (title insurance).


Paul graduated with a BA in economics from Davidson College and an MBA from the Cox School of Business at Southern Methodist University. His continuing education includes completing the Executive Leadership Program at Harvard Business School.

Matt Jeffries: Director of Strategic Accounts

Matt Jeffries is the Director of Strategic Accounts for Construction Supply Group. Matt brings over 17 years of Industrial Distribution experience to our organization with roles in Inside and Outside Sales, Global Accounts Management, Branch Management and District Management.  Most recently, he held the role of Key Account Manager with Advanced Green Technologies, a commercial roofing and solar contractor.  Matt has a Bachelor of Science degree in Marketing from the University of Indianapolis.

Lisa Scinta: SVP Purchasing


Lisa Scinta, the Senior Vice President of Purchasing for Construction Supply Group, has over 20 years of experience in operations, supply chain and pricing in electrical distribution.  In 1995, Lisa moved to Fort Collins, CO and began her career in Electrical Distribution. Over the last 22 years, Lisa held a variety of Operational, Supply Chain and Pricing roles in Electrical Distribution.  After the sale of GE Supply to Rexel in 2006, she took an Operations Director role for Gexpro Services, a Supply Chain services provider of engineered commodities.  In 2013, she was named VP of Operations for Rexel Inc. where she was promoted to deliver strategic management and operational oversight providing efficient operations, relationship and team cultivation, financial and process compliance management, and acquisition support.  In 2013, she was named SVP of Operations and Logistics for Rexel’s $5B business in the US where she directed supply chain network optimization comprising of 150+ facilities and 3500+ associates, overseeing strategic planning, real estate, EHS, capital investment, and profitability.  Lisa attended college at The University of Pennsylvania in Philadelphia, PA where she received a BA in Sociology.

Tom Leahy: President, Brock White US

Tom Leahy, President, BW US  has over 33 years of broad-based industry experiences including sales, marketing, operations, human resources and purchasing disciplines, while always having responsibility for bottom line profit.  His responsibilities include facilities, assets, insurance, purchasing and the inside sales teams of 15 locations. Tom joined Border in 1997, prior was a District Manager for Payless Cashways in New Mexico.  Additionally, Tom helped to integrate three acquisitions, including Marvel Masonry Supply.  Tom also held a position on the BCS board from 2003-2016.   Tom earned a Bachelor of Science degree in Economics from Colorado State University in 1985.

John Gerber: President, Midwest Region-Carter Waters & Stetson Building Products, LLC.

John Gerber currently serves as President of the Midwest Region which includes Carter-Waters Construction LLC, and Stetson Building Products, LLC. with over 20 Years of industrial distribution experience in sales, marketing and P&L management. After receiving his degree from Purdue University, John began his career with General Electric Company as a sales and marketing trainee in their Commercial Leadership Program. He has held various role throughout his career in sales, branch management, VP of Sales and Marketing, including two oversea assignments as General Manager of GEXPRO Europe, and General Manager of GESupply China. Prior to Carter-Water Responsible for the management and profitability of a $365 M P&L with 3 business units; WESCO, Needham Electric Supply and CSC Data Communications. Driving profitability, growth and operational excellence, while building a strong employee centric culture in a 38 branch network, 2 distribution centers and 431 employees.

Brian Saker: President, Border Construction Specialties

Brian Saker, the President of Border Construction Specialties, has over 20 years of experience in marketing, sales and business leadership.  Brian began his career working for Illinois Tool Works Construction Products Group where he held multiple sales and management responsibilities for Fortune 500 firms including across two divisions and three relocations.  In 2001, Brian joined Border Construction Specialties where he led the sales and marketing of the business.  Between 2001 and 2007, revenues increased threefold.  Additionally, Brian helped to integrate three acquisitions, including Marvel Masonry Supply.  Brian also held a position on the BCS board from 2007-2016.  Brian graduated with his B.S. in Finance from the Indiana University Kelley School of Business in 1987.  In 1997, Brian received his MBA from Lake Forest Graduate School of Management in Chicago.

Neil Fast: President, Brock White Canada


Neil Fast currently serves as VP and General Manager of Brock White Canada ULC.  During his tenure, he previously held other senior positions including the Regional Manager – Twin Cities, and the Director of Corporate Procurement for Brock White United States.   Neil received a Bachelor of Commerce degree from the Asper School at the University of Manitoba and a M.B.A. from the Carlson School at the University of Minnesota. 

Gordon McIntyre: President, Williams Equipment & Supply


Gordon McIntyre, is the President of Williams Equipment and Supply., A Construction Supply Group Company.  Gordon joined Williams Equipment and Supply 40 years ago when their annual sales we less than $5 million.  He started his career as Outside Sales Representative and has held numerous jobs along the way.  Gordon became President of Williams Equipment and Supply in 2006.  He took business courses at night that he should have taken during college. 24 years after graduating from college, he earned his M.B.A from University of Memphis.

Jeff Willis: President, South Region Construction Supply Group

As President of the Texas & South for Construction Supply Group, Jeff Willis brings 26 years of operational and strategic experience in building materials distribution. Jeff joined the Roofing Supply Group (RSG) in 1993 beginning in counter sales then holding numerous successive roles of increasing responsibility- including Sales, Branch Manager/Owner, Regional VP, VP of Sales and Marketing, SVP Rocky Mountain-Midwest, and SVP Western Division managing a substantial portion of RSG’s $1.1 billion portfolio. In 2015, after RSG was purchased by Beacon Roofing Supply, Jeff was named the Executive Vice President of Sales and Marketing to help transition the company’s 375 branches and $4 billion in revenues.

Jeff received his Bachelor of Business Administration in Marketing from Texas State University and serves on the Texas State Leadership Council and the McCoy College of Business Advisory Board.

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