Leadership
At Interface we strive to create optimal environments for each space we design. To accomplish this, we have a leadership team of high-performance individuals who have a passion for challenging work and projects.

Andy Frichtl
Managing Principal

Roger Frechette
Managing Principal

Hormoz Janssens
Managing Principal

Rob Matteson
Managing Principal

Kevin Cahill
Principal

Adam Carlson
Principal,
Senior Mechanical Engineer

Joel D. Cruz
Principal

Steve Dacus
Principal

Eugene de Souza
Principal

Scott Holum
Principal

Andrew Lasse
Principal

Shawn MacLean
Principal

Beverly Markstrom
Principal

John McMichael
Principal

Mark O’Leary
Principal

Thomas Phuong
Principal

Rick Russell
Principal

Scott Sato
Principal

Jim Sattem
Principal,
Senior Electrical Engineer

Joe Schmid
Principal

Michael Troyer
Principal

Tom Voltaggio
Principal

Jesse Agosta
Associate Principal,
Senior Mechanical Engineer

Kenton Aikens
Associate Principal,
Senior Fire/Life Safety Engineer

Cody Bargholz
Associate Principal,
Senior Electrical Engineer

Mark Blazis
Associate Principal,
Senior Mechanical Engineer

Jeff Burke
Associate,
Senior Mechanical Designer

Craig Burton
Associate Principal,
Senior Mechanical Engineer

Joseph DiIenno
Associate Principal,
Senior Mechanical Engineer

Andrew Flanagan
Associate Principal,
Senior Plumbing Engineer

Michael Flemming
Associate Principal,
Commissioning Agent

Steve Gross
Associate Principal,
Senior Energy Analyst

Shem Heiple
Associate Principal,
Senior Mechanical Engineer

Mark Jackson
Associate Principal,
Senior Electrical Designer

Mark Koller
Associate Principal,
Senior Mechanical Engineer

Jason Lau
Associate Principal,
Senior Electrical Engineer

Wesley Lau
Associate Principal,
Senior Electrical Engineer

Troy Lowell
Associate Principal,
Senior Mechanical Engineer

Marty Lunkes
Associate Principal,
Senior Mechanical Designer

Nick Marcyan
Associate Principal,
Senior Commissioning Authority

Jim McClelland
Associate Principal,
Senior Mechanical Engineer

Kyle Rives
Associate Principal,
Senior Mechanical Engineer

Greg Rohlfing
Associate Principal,
Controller

Culai Silitra
Associate Principal,
Senior Electrical Engineer

Stephen Tarbuck
Associate Principal

Eunice Yoon
Associate Principal,
Senior Mechanical Engineer

Westley F. Anastasio
Associate,
Senior Electrical Engineer

Jerry Atienza
Associate,
Senior Plumbing Designer

Tracy Bethel
Associate,
Senior Plumbing Designer

Michael Blunschi
Associate,
Senior Mechanical Engineer

Kim De Alba
Associate,
Regional Marketing Manager

Thomas de Senna
Technical Associate

Jared Doescher
Associate,
Senior Mechanical Engineer

George Edpalina
Technical Associate,
Plumbing Engineer

Jeffrey Glanville
Associate,
Senior Electrical Designer

Mehran Khazra
Senior Technical Associate

Jason Kirkpatrick
Associate Principal,
Senior Energy Analyst,
Mechanical Engineer

Todd Kolibaba
Associate,
Senior Plumbing Designer

MaDonna Kreutzer
Associate,
Employee Benefits/ Payroll Manager

Rick Lasser
Associate Principal,
Senior Commissioning Authority

Carol Li
Associate,
Senior Mechanical Engineer

Michael Moerlins
Associate,
Senior Mechanical Engineer

Huong Nguyen
Associate,
Senior Electrical Designer

Siobhan Nimedez
Regional Marketing Manager

Dominic Pedotto
Associate,
Senior Mechanical Engineer

Deborah Raines
Associate,
Senior Lighting Designer

Joe Ripp
Associate,
Senior Fire Alarm Designer

Kristina Santi
Associate,
Senior Lighting Designer

Jon Schlitz
Associate,
Senior Fire/Life Safety Designer

Chris Scott
Associate,
Senior Plumbing Designer

Paul Hallowell
Associate,
Senior Mechanical Engineer

Michael Hoffacker
Associate,
Senior Mechanical Engineer

Scott Micucci
Associate,
Senior Lighting Engineer

Joseph Niedzielski
Associate,
Senior Plumbing/Fire Protection Designer

Cameron Pack
Associate,
Senior Mechanical Engineer/Commissioning Authority

Eric Rodgers
Associate,
Senior Mechanical Engineer

Rick Silenzi
Associate,
Senior Mechanical Designer

Jason Sullivan
Associate,
Senior Mechanical Engineer

Hugo Vera
Associate,
Senior Mechanical Engineer

Brandon Volbeda
Associate,
Senior Electrical Engineer

Kim Wall
Associate,
Senior Electrical Engineer

Glen Walson
Associate,
BIM Manager