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Meet the Americas Materials leadership team.

Scott Parson
President
Americas Materials

Scott Parson is the President of Americas Materials at CRH, the largest vertically integrated construction materials company in North America.

Scott joined CRH in 1996 when CRH acquired Jack B. Parson Companies. During his career, he has held functional and general management positions at the company, region and division level. He has also been a participant and leader of teams addressing national performance and global initiatives.

He is a committed advocate for the construction industry, business and community having chaired the following boards: National Ready Mixed Concrete Association, Salt Lake Chamber, Ready Mixed Concrete Research and Education Foundation, Weber State University Parson Construction Management Program, Utah State Parks and the Associated General Contractors of Utah. He has also served as a Weber State University trustee.

Scott earned a Master of Business Administration from the University of Chicago Booth School of Business and is a graduate of Brigham Young University.

leadership-headshot--Scott-Parson-2024

Rob Dinkins
Chief Financial Officer
Americas Materials

Rob Dinkins is the Chief Financial Officer of Americas Materials at CRH. He joined the company in 2023 and provides oversight across North America to finance, information technology, business intelligence, tax, risk management and benefits.

Prior to joining CRH, he worked at Aptiv where he was the Vice President of Finance and Chief Financial Officer for the Advanced Safety & User Experience segment. Prior to Aptiv, Rob held several large P&L finance roles at both Stanley Black & Decker and Bosch.

Rob has more than twenty betway casino gamesyears of finance and leadership experience gained at large, multinational industrial organizations. He has served companies in executive finance roles with both domestic and international scope and is an accomplished finance business partner.

He holds a Master of Business Administration from The Citadel and a Bachelor of Science degree in Accounting from Virginia Tech and is also a Certified Management Accountant (CMA).

leadership-headshot--Rob-Dinkins

Trammell Summers
Senior Vice President, Strategy & Development Americas Materials

Trammell Summers is Senior Vice President of Strategy & Development for Americas Materials at CRH. In this capacity, he is responsible for driving the growth strategy of the company via acquisitions, capital investments and other strategic growth initiatives.

Trammell joined CRH in 2014 as Senior Vice President of Strategy & Development for the Oldcastle Architectural Products Group (APG). During his tenure with Oldcastle APG, the company completed more than 30 M&A transactions and enhanced its leadership position in outdoor living and building products. Most recently, Trammell served as Senior Vice President of Investor Relations since 2022, including during CRH’s primary share relisting to the New York Stock Exchange. Prior to joining CRH, Trammell spent more than a decade working in M&A investment banking.

Trammell holds a Bachelor of Science degree in Finance from Boston College and a Master of Business Administration from the Darden School of Business at the University of Virginia.

Trammell Summers

Scott Collins
Senior Vice President, Human Resources
Americas Materials

Scott Collins is the Senior Vice President of Human Resources for Americas Materials at CRH. In this role, he has been responsible for functional oversight across North Americas for HR operational excellence, reward, talent and leadership development since 2015.

Scott joined the company in 1997 through the acquisition of CPM Development Corporation, one of the largest producers of concrete, aggregates and asphalt in the Northwest.

Throughout his 30-year career, Scott has held positions of increasing betway casino gamesresponsibility in the areas of Human Resources, Environment Health & Safety and Organizational Development. Prior to assuming his previous role as Vice President Training & Development for Oldcastle Materials in 2011, he gained P&L experience overseeing CPM Prestress and the Northwest’s Oregon businesses.

Scott holds a PhD in Leadership Studies and a Master of Arts in Organizational Leadership from Gonzaga University, as well as a Bachelor of Arts in History and Coaching from Eastern Washington University.

Scott Collins, SVP Human Resources, Americas Materials

Seán O’Sullivan
Senior Vice President, Performance
Americas Materials

Seán O’Sullivan is the Senior Vice President of Performance for Americas Materials at CRH.

Prior to joining CRH, Seán spent time working in Africa and Asia and held various roles of increasing responsibility in engineering and project management. He managed diverse projects in the areas of construction, mechanical and electrical services, as well as Information Technology (IT) application development, which included deploying new point of sale systems and plant automation.

He has developed, led and successfully implemented strategic planning processes including business and sales plans, productivity and profitability improvements, employee development and training, as well as new business development. Since joining CRH in 1996, Seán has successfully managed the integration of multiple acquisitions in Europe and the United States.

His roles at CRH have included Vice President of Information Technology at Tilcon New York, Executive Vice President at Tilcon New York, several regional president roles in Alabama and New Jersey and Metropolitan Group President where he oversaw operations in New York, New Jersey, Pennsylvania and Delaware. Since 2021, he has served in his current role.

Seán holds a Master of Business Administration from University College Dublin and a BSc in Engineering from Trinity College in Dublin, Ireland.

Seán O'Sullivan, Senior Vice President, Performance, Americas Materials

Chris May
Senior Vice President
Safety, Health & Environment
Americas Materials

Chris May is the Senior Vice President of Safety, Health & Environment for Americas Materials at CRH. Since joining betway live casino games appCRH in 2006, she has held functional positions at company, region and division levels.

For the past eight years, Chris has been primarily focused on improving the safety culture across our business by leveraging the knowledge and expertise of our employees as the subject matter experts, to enhance workplace processes and systems by incorporating human performance tools and concepts.

In 2022, she received the James M. Christie Safety and Health Professional of the Year award from the National Stone, Sand & Gravel Association (NSSGA) in recognition of her substantial commitment and contributions to safe and healthy practices within our company and the industry.

She is a Certified Mine Safety Professional (CMSP), Chairperson of the National, Stone, Sand, & Gravel Association (NSSGA) Safety and Health Committee and past Chairperson of the National Asphalt Pavement Association (NAPA) Safety & Health Committee. She is also a Human and Organizational Performance (HOP) Instructor.

Chris holds a Bachelor of Science degree in Environmental Health and a Master of Science degree both from East Tennessee State University.

Chris May, Senior Vice President, Safety, Health & Environment

Suresh Rangarajan
Chief Information Officer
Americas Materials

Suresh Rangarajan is the Chief Information Officer (CIO) for Americas Materials at CRH. He is an experienced IT leader and joined the company in 2020 to manage the Information Technology (IT) function across Americas Materials.

Prior to joining CRH, Suresh worked at General Electric (GE) as Chief Information Officer for GE Lighting and Current by GE, where he led the Information Technology and Digital teams for the enterprise. His past experience also includes leading Enterprise IT functions for Finance, Human Resources and Quality at GE Power, as well as serving as the Leader for Data Technology & Applications in Dun & Bradstreet Inc.

Suresh holds a Master of Science in Biological Sciences and a Bachelor of Science in Electrical & Electronics Engineering from Birla Institute of Technology & Sciences in Pilani, India.

Suresh Rangarajan, Chief Information Officer, Americas Materials

Ty Nofziger
President
Great Lakes Division

Ty Nofziger is President of the Great Lakes Division of Americas Materials at CRH. He is responsible for our businesses in betway Live CasinoCanada, Indiana, Kentucky, Michigan, Ohio, Virginia and West Virginia.

Ty joined CRH in 2003 through the acquisition of S.E. Johnson where he worked for 10 years and was the Vice President of Aggregates. Since then he has held several positions with increasing responsibility, including a number of years working with Michigan Paving & Materials Group in a senior management role. In 2006, he joined The Shelly Company as Vice President and General Manager of their Northwest Division and went on to become Senior Vice President and overseeing operations for the northern half of Ohio and ready mixed concrete operations throughout the state.

In his most recent role as Great Lakes Region President, Ty led CRH’s operations in Ohio and Michigan as well as served as company President of The Shelly Company. The Shelly Company operates in 74 counties in the state of Ohio and has approximately 2,000 employees. It is a vertically integrated leader and the number one producer of asphalt, aggregates, ready mixed concrete and paving services.

He is a graduate of The Ohio State University and holds a degree in Business Administration.

Ty Nofziger, President (Great Lakes Division)

Jake Parson
President
Northeast Division

Jake Parson is President of the Northeast Division of Americas Materials at CRH. He is responsible for our businesses in Connecticut, Delaware, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania and Vermont.

Jake joined CRH in 2001 and has held various roles of increasing responsibility across Americas Materials and its companies. Most recently, he served as company President of Texas Materials and TexasBit and was responsible for asphalt, aggregates, ready mixed concrete, paving and construction services across the state of Texas.

Prior to this, Jake was Vice President of Business Development for CRH’s Americas Materials business in the West Division. In this role, he was responsible for leading acquisition and integration efforts including deal sourcing, financial modeling and performance tracking.

Jake holds a degree in Finance and Economics from Utah State University and is working towards his Master of Business Administration at Red Betway Live Casino GamesMcCombs School of Business at the University of Texas at Austin.

leadership-headshot--Jake-Parson-2022

Barnes Barton
President
South Division

Barnes Barton is President of the South Division of Americas Materials at CRH. He leads a portfolio of CRH companies that produce and market asphalt, aggregates and ready mixed concrete, as well as provide material transportation and paving services in Alabama, Florida, Georgia, Louisiana, Mississippi, North Carolina, South Carolina, Tennessee and Texas.

Barnes joined CRH in 2010 as a Performance Manager in our aggregates business, working with multiple CRH companies to improve operational efficiency. Subsequently, he served as Vice President of Thompson-Arthur Paving & Construction in Greensboro, North Carolina and then as President of Harrison Construction Company in Knoxville, Tennessee. In 2018, as Southern Atlantic Region President, his role expanded to include CRH businesses in Georgia, South Carolina, eastern Tennessee and western North Carolina.

Prior to joining CRH, Barnes served in the US Army, followed by progressive managerial positions with General Electric. He holds a Master of Business Administration from Duke University’s Fuqua School of Business. He is also a graduate of the United States Military Academy at West Point, New York and holds a Bachelor of Science in Economics and Civil Engineering.

Barnes Barton, President (South Division)

Rich Umbel
President
West Division

Rich Umbel is President of the West Division of Americas Materials for CRH. He is responsible for our businesses in 18 Western states, providing customers with quality construction materials including aggregates, asphalt, ready mixed concrete and services including paving, excavation and construction.

Rich joined CRH in 1996 through the acquisition of Jack B. Parson Companies. When he started at Jack B. Parson Companies, after completing the company's Commercial Driver's License (CDL) program, Rich spent two years driving a ready mixed concrete truck. Next he spent time working in a ready mixed concrete dispatch office as an order taker, where he became dispatch manager and worked as part of a team that designed and implemented a new truck tracking system (Trackit).

In 2005, Rich joined Waycor Materials (now betway live casino games apppart of United Companies) as General Manager in Albuquerque, New Mexico. When the company launched the Oldcastle Performance System (OPS), Rich spent two years as part of the company’s Construction & Commercial OPS teams. In October 2010, Rich took on increasing responsibilities to lead the businesses that comprised their West Division's Southwest Region. Utilizing his knowledge and expertise in business operations positioned him well for his most recent role as Midwest Region President within the West Division for Americas Materials.

Rich is an advocate for the construction industry, business and community. He has served on the Colorado Ready Mixed Concrete Association (CRMCA) board for the past eight years, spending three of those as the Board President. Rich has also been a board member for the National Ready Mixed Concrete Association (NRMCA) for the past three years.

Rich Umbel, President, West Division