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

Kenton Aikens
Principal,
Senior Fire/Life Safety Engineer

Cody Bargholz
Principal,
Senior Electrical Engineer

Kevin Cahill
Principal

Adam Carlson
Principal,
Senior Mechanical Engineer

Joel D. Cruz
Principal

Steve Dacus
Principal

Joseph DiIenno
Principal

Eugene de Souza
Principal

Andrew Flanagan
Principal,
Senior Plumbing Engineer

Michael Flemming
Principal,
Commissioning Agent

Steve Gross
Principal

Shem Heiple
Principal,
Senior Mechanical Engineer

Scott Holum
Principal

Andrew Lasse
Principal

Shawn MacLean
Principal

Nick Marcyan
Principal,
Senior Commissioning Authority

Beverly Markstrom
Principal

Jim McClelland
Principal,
Senior Mechanical Engineer

Wesley Lau
Principal,
Senior Electrical Engineer

Mark O’Leary
Principal

Thomas Phuong
Principal

Greg Rohlfing
Principal,
Controller

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

Tracy Bethel
Associate Principal,
Senior Plumbing Designer

Westley F. Anastasio
Associate Principal,
Senior Electrical Engineer

Mark Blazis
Associate Principal,
Senior Mechanical Engineer

Craig Burton
Associate Principal,
Senior Mechanical Engineer

Kim De Alba
Associate Principal,
Senior Marketing Manager

George Edpalina
Associate Principal,
Plumbing Engineer

Steve Eich
Associate Principal,
Senior Electrical Engineer

Mark Jackson
Associate Principal,
Senior Electrical Designer

Jason Kirkpatrick
Associate Principal,
Senior Energy Analyst,
Mechanical Engineer

Mark Koller
Associate Principal,
Senior Mechanical Engineer

MaDonna Kreutzer
Associate Principal,
Human Resources Manager

Jason Lau
Associate Principal,
Senior Electrical Engineer

Troy Lowell
Associate Principal,
Senior Mechanical Engineer

Marty Lunkes
Associate Principal,
Senior Mechanical Designer

Michael Moerlins
Associate Principal,
Senior Mechanical Engineer

Huong Nguyen
Associate Principal,
Senior Electrical Designer

Joseph Niedzielski
Associate Principal,
Senior Plumbing/Fire Protection Designer

Dominic Pedotto
Associate Principal,
Senior Mechanical Engineer

Teresa M. Rainey
Associate Principal,
Team Leader

Kyle Rives
Associate Principal,
Senior Mechanical Engineer

Joe Ripp
Associate Principal,
Senior Fire/ Life Safety Designer

Kristina Santi
Associate Principal,
Senior Lighting Designer

Todd Schenbeck
Associate Principal,
Senior Technologies Designer

Jon Schlitz
Associate Principal,
Senior Fire/Life Safety Designer

Chris Scott
Associate Principal,
Senior Plumbing Designer

Culai Silitra
Associate Principal,
Senior Electrical Engineer

Stephen Tarbuck
Associate Principal

Eunice Yoon
Associate Principal,
Senior Mechanical Engineer

Dominador Abuel
Associate,
Senior Electrical Designer

Katy Applegate
Associate,
Director of Administration

Jerry Atienza
Associate,
Senior Plumbing Designer

Jeff Burke
Associate,
Senior Mechanical Designer

Michael Blunschi
Associate,
Senior Mechanical Engineer

Yee Cheung
Associate Principal,
Senior Mechanical Engineer

Thomas de Senna
Associate Principal

Inna Dolottseva
Associate,
Senior Building Performance Analyst

Joey Dysert
Associate,
Senior Electrical Designer

Mike Estrada
Associate,
Senior Mechanical Engineer

Jeffrey Glanville
Associate,
Senior Electrical Designer

Jeff Harrison
Associate,
Senior Electrical Designer

Paul Hallowell
Associate,
Senior Mechanical Engineer

Adam High
Associate,
IT Manager

Kelly Johnson
Associate,
Sr. Mechanical Designer

Patricia Jordan
Marketing Specialist

Tom Jun
Associate Principal,
Senior Electrical Engineer

Todd Kolibaba
Associate,
Senior Plumbing Designer

Andrea King
Associate,
Senior Mechanical Designer

Tyler Klarkowski
Associate,
Senior Mechanical Engineer

Lauren Krueger
Associate,
Senior Electrical Engineer

Adam Kushniarevich
Associate,
Senior Electrical Engineer

Rick Lasser
Associate Principal,
Senior Commissioning Authority

Kristine Leavens
Associate,
Senior Electrical Engineer

Carol Li
Associate,
Senior Mechanical Engineer

Jason Matheis
Associate,
Senior Electrical Designer

Shane McCarthy
Associate Principal,
Senior Electrical Engineer

Scott Micucci
Associate,
Senior Lighting Engineer

Ray Park
Associate,
Senior Electrical Engineer

Keith Pasma
Associate,
Senior Mechanical Engineer

Hai Phan
Associate,
Senior Lighting Designer

Alex Roesch
Associate,
Senior Mechanical Engineer

Rick Silenzi
Associate,
Senior Mechanical Designer

Brian Stone
Associate,
Senior Accountant

Jason Sullivan
Associate,
Senior Mechanical Engineer

Quince Taylor
Associate,
Senior Commissioning Authority

Mary Vasquez
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