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Executive Profiles

Bill Zarkalis, CEO
Titan America LLC
Bill joined Titan America as Chief Executive Officer in 2014 and is a member of the Executive Committee and the Board of Directors of the parent company Titan Cement SA. He served for four years as the Group's Chief Financial Officer and before that as the Executive Director of Business Development and Strategic Planning.
Prior to joining Titan in 2008, Bill served in a number of global business leadership roles with the Dow Chemical Company. During his 18-year career in Chemicals and Plastics, Bill was located primarily in the US and Switzerland, holding positions such as Global Vice President, Dow Automotive; Global Business Director, Dow Specialty Plastics and Elastomers; and Global Business Director, Dow Synthetic Latex.
Bill has represented Titan in the World Business Council for Sustainable Development (WBCSD), the European Round Table (ERT) and the Cement Sustainability Initiative (CSI). He holds a MSc. in Chemical Engineering from The National Technical University of Athens and a MSc. in Chemical Engineering from Pennsylvania State University.

Kevin Baird  
Senior Vice President, Titan America Ready-Mix Operations and Titan Florida Concrete Products
Kevin is responsible for the Florida concrete products businesses and for driving operational excellence across Titan America's ready-mix operations. He has also served the Florida Business Unit in the positions of Vice President, Cement and Aggregate Operations from 2011 to 2013.

Kevin joined our Mid-Atlantic Division in 1999 and served in several positions from engineering to operations management at our Roanoke Cement Plant in Virginia. From 2006-2011 he served as Roanoke Cement's Plant Manager.
Before joining Titan America, Kevin worked in the environmental field, specializing in emissions monitoring and control, consulting and business management. Kevin has a bachelor's degree in Engineering from North Carolina State University.

Steven Brown
Vice President, Human Resources

As Vice President, Human Resources, Steve is responsible for organizational development and talent strategies that support a high performance culture by focusing on employee engagement, talent management, talent development and succession planning.

Steve joined Titan America in 2015 from Hexion, where he held the position of Vice President, Culture and Leadership Development. Prior to that, he held progressively senior HR roles with Kaiser Aluminum and global chemical company LyondellBasell.

During his career, Steve successfully piloted senior division and corporate level HR positions supporting several business units and global functions. His experience spanned the broad breadth of the HR profession that included compensation and benefit design, talent management and lead roles with mergers and acquisitions.

Steve holds a bachelor's degree in Psychology from Duquesne University and a master's degree in HR Management from Indiana University of Pennsylvania.
Thomas Cerullo
Vice President, ProAsh Business

Tom joined Separation Technologies in 1995 and has held roles in Operations, Sales and marketing and Business Development.  Mr. Cerullo's primary focus has been on interfacing with coal burning utilities that currently utilize ST's electrostatic carbon separators to assure performance objectives are exceeded, developing future beneficiation projects within the United States, and managing the sales and marketing process for ST's beneficiated ash product, ProAsh.
A graduate of Massachusetts Maritime Academy, Mr. Cerullo worked aboard ocean going cargo ships prior to joining ST and has extensive experience operating high pressure boilers, steam turbines and electrical generating systems. 

John Christy
Chief Legal Counsel

As Titan America’s Chief Legal Counsel, John is responsible for leading the Titan America Legal Department in identifying and resolving all legal issues for Titan America and its subsidiaries.  

John joined Titan America in 2016 from Owens Corning, where his most recent position was Senior Vice President, General Counsel and Secretary. Prior to Owens Corning, John worked in private practice at the Chicago firm of Ungaretti & Harris, specializing in commercial mergers and acquisitions and corporate securities.

John holds a bachelor's degree from Dartmouth College and a J.D. from the Northwestern University School of Law.


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Randy Dunlap
President, Titan Florida LLC

As President of Titan Florida LLC, Randy is responsible for all Florida businesses and related activities, including cement, aggregates, ready-mixed concrete, fly ash and concrete block. Prior to this position, he served as President, Separation Technologies and Essex Cement. 
Randy joined Titan America in 2005 as VP, ST Business Development, later serving as VP, Separation Technologies LLC & Essex Cement LLC.
Prior to joining Titan America, Randy held senior management positions at Holcim (US) Inc., most recently including VP, Marketing and VP, General Manager, Mineral Components Division and with Texas Industries, Inc. as Vice President, General Manager of United Cement Co., a previously wholly owned subsidiary of Texas Industries, Inc.
In addition to serving on the boards of several associations, Randy is the Founder of the Slag Cement Association and served as its first President.
Randy earned his BBA from the University of Iowa.

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Don Ingerson
Vice President of Sales - Roanoke Cement and Mid- Atlantic Aggregates

Don is responsible for sales, marketing and logistics for Roanoke Cement as well as Mid-Atlantic Aggregate companies. He has also served as the Vice President of Virginia Ready Mix.
Don joined Titan America is 2006 and prior to that, held several sales and sales management positions with Lafarge North America.  
He currently serves on the boards of the National Ready Mixed Concrete Association where he chairs the promotion committee, is president of the Southeast Cement Promotion Association and serves on the board of  the Virginia Transportation Construction Alliance. He also represents Titan America with the US Green Building Council.
Don earned his Bachelor's degree in Pre-Law from Cornerstone University in Michigan and his Executive Masters of Business Administration from the University of Nebraska.

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Tim Kuebler
Vice President, Florida Materials 

Tim manages all profit and loss responsibilities for cement, aggregates and ash activities within the Florida Business Unit. Formerly Chief Government Affairs Officer, Tim represented Titan America in all key government-related issues as well as Advocacy activities through the business.
Tim joined Titan America's Florida Unit in April 2003 as  Vice President, responsible for the sales and marketing of cement and aggregates. He has served as Chair of the FCPA, has served on the board of the NRMCA and PCA, and co-chairs PCA's Paving Committee.
Tim has more than 20 years' experience in the cement and concrete industries and has held a number of senior level positions at Lehigh Cement in Indiana and Texas and Builder's Concrete in Indiana. Tim earned a bachelor's degree in business from the University of North Texas.

George Pantazopoulos, M.Sc., D.Sc.
Senior Vice President, Titan America Cement Operations
George started his career at Titan Cement in Greece in 1994 and has held various technical, managerial and executive positions at Titan Cement and Titan America; his most recent position was Vice President, Cement, Pozzolans and Aggregates for Titan Florida LLC. He was also Vice President and General Manager of Separation Technologies, South Region, where he managed the manufacturing and commercial operations of six fly ash plants in the southeast U.S.
George earned his Mechanical Engineering degree from the University of Patras in Greece and his Master of Science and Doctor of Science degrees in Mechanical Engineering from Washington University in St. Louis, MO.

Louis Petrillo
Vice President, Ready-Mix
Louis joined Titan America in September of 2015.  Prior to Titan America, Louis worked with US-Concrete, where he held the positions of Vice President and General Manager and Vice President of Operations - Eastern Concrete. He also worked with the Superior Plant in the Washington, DC market and with Vulcan Materials in Virginia.

Louis has successfully led ready-mix businesses with a focus on operational and logistical excellence, and safety and environmental performance. Louis is a fourth generation concrete producer, who after serving as an officer in the United States Marine Corps,  joined his family’s ready-mix business in the New York area.

Louis graduated from the Virginia Military Institute with a BA in History and subsequently attained an MBA in Management.
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Jennifer Rafferty
Vice President, General Counsel and Secretary
Jen has provided business and legal counsel with the Titan America LLC Legal Services Department since September 2003 and accepted the position of Vice President, General Counsel and Secretary in September of 2015. Jen currently serves on Titan America’s Leadership Team, heads the Legal Services Department and is responsible for directing all U.S. legal affairs for Titan America and its subsidiaries.  
Prior to joining Titan, Jen was a business attorney with the law firm of Willcox & Savage in Norfolk, VA. Jen is a graduate of the University of Virginia School of Law, holds a Master’s Degree in Counseling Psychology from Boston College and earned her Bachelor of Arts degree in English from St. Bonaventure University.
Walter Reed
Senior Vice President, Florida Aggregates
Walt is responsible for optimization of existing aggregate operations and developing new sources of supply for  external customers as well as the Titan America product lines. He joined the Florida Business Unit in 2014.

Walt has more than 30 years experience developing and managing mining operations throughout the Americas, including aggregates, coal and metals. He previously held senior positions with Martin Marietta Materials, Barrick Gold and major US coal producers. He has an MBA from Eastern Kentucky University and a bachelor's degree in Civil Engineering from the University of Arizona.

Robert Sells
President, Mid-Atlantic Business Unit
Bob joined the Titan America Florida Business Unit in June 2001 as Vice President of Florida Concrete Products and assumed the role of Mid-Atlantic Business Unit President in 2007, responsible for the Roanoke Cement Company, Titan Virginia Ready-Mix, S&W Ready-Mix and Powhatan Ready-Mix.
Bob served as Chairman of the Florida Concrete Products Association from 2004 - 2005. He earned his master's degree in Engineering and his bachelor of Civil Engineering degree from the University of Tennessee.

William N. West
Vice President and General Manager,
S&W Ready-Mix Concrete LLC
Bill is responsible for the S&W Ready-Mix Concrete business in the Carolinas.  He has held several positions within S&W since joining the company in 1993.  Bill also serves on the Executive Board of the Carolinas Ready-Mix Concrete Association.  He holds a bachelor of arts degree from the University of Carolina at Chapel Hill.

Lawrence H. Wilt, Jr.
Vice President, CFO, Titan America LLC

Larry began his career with Tarmac America, Inc. in 1995 as Manager, Internal Audit and was promoted to Corporate Controller in 1996. Following the Titan acquisition, he was appointed Chief Financial Officer of Titan America LLC. Prior to joining Tarmac, he worked for Ernst & Young LLP as a Senior Manager. Larry earned his bachelor's degree in commerce from the University of Virginia in 1986 and is a Certified Public Accountant in Virginia and Georgia.

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