Our Team

Walters Group is led by a diverse team of individuals that each bring unique talents and strengths. Together, we are always focused on providing an experience where everyone involved – clients, employees, suppliers and partners – feel the happiness of building with Walters.

About Us

Walters Group of Companies

Walters Leadership Group

Click on a photo to learn more about a member of our team

Walter Koppelaar
Walter Koppelaar
Chairman
Peter Kranendonk
Peter Kranendonk
CEO
Mark Koppelaar
Mark Koppelaar
Executive Vice President, Production & Procurement
Walt Koppelaar
Walt Koppelaar
Executive Vice President, Sales & US Operations
Tim Verhey
Tim Verhey
Executive Vice President, Construction Sciences
Ed Lacroix
Edward Lacroix
Vice President, Strategic Project Development
Portrait of David Pisacrita, CEO of Metropolitan Walters, representing leadership in structural steel installation and project execution in the New York market.
David Pisacrita
CEO of Metropolitan Walters LLC.
image of Natalia
Natalia Strelbytsky
Vice President, People & Culture
Claudio Calogero
Claudio Calogero
Vice President, Finance
Portrait of Sam Barrett, Vice President of Pre-Construction and Sales at Walters Group, representing leadership in project planning and client collaboration.
Sam Barrett
Vice President, Pre-Construction & Sales
Tim Verhey Jr.
Tim Verhey Jr.
Vice President, Construction
Albert Marskamp
Albert Marskamp
Vice President, Engineering & Detailing
Chris Beach
Chris Beach
Vice President, Digital & Technology
David Ogilvie
David Ogilvie
Senior Advisor
Portrait of Rak Ramachandra, Vice President of Project Delivery at Walters Group, representing leadership in managing complex structural steel projects.
Rak Ramachandra
Vice President, Project Delivery

Walters Management Group

Click on a photo to learn more about a member of our team

Aaron Bean
Aaron Bean
Director, International Supply Chain Partnership
Lynne Berkin
Lynne Berkin
Director, Finance
Greg Kern
Greg Kern
Director of Sales
Ryan Maguire
Ryan Maguire
Detailing Manager
Jeff Tyers
Jeff Tyers
Director Industrial
Portrait of Chris Van Houten, Director of Virtual Design and Construction at Walters Group, representing leadership in digital modeling and project coordination.
Chris Vanhouten
Director, Virtual Design and Construction
Portrait of Cynthia Emili, Director of Marketing and Communications at Walters Group, representing leadership in brand strategy and corporate communications.
Cynthia Emili
Director, Marketing & Communications
Portrait of Yasser Elmasri, Director of Quality Assurance at Walters Group, representing leadership in welding, fabrication quality, and inspection.
Yasser Elmasri
Director, Quality Assurance
Michelangelo LaSelva
Michelangelo LaSelva
Director, Environment, Health & Safety
Ryan Koppelaar
Ryan Koppelaar
Director, Production Capacity Planning & Sub-Fabrication. VP Production Dave Steel
Portrait of John Vanderhorst, Director of Plant Operations at Walters Group, wearing safety gear in an industrial fabrication environment.
John Vanderhorst
Director, Plant Operations
Bryce Mesley
Bryce Mesley
Director, Field Operations
Portrait of Mark Nywening, Chief Engineer at Walters Group, representing leadership in structural steel engineering and connection design.
Mark Nywening
Chief Engineer