G&S Management Services is proud of our highly experienced staff in HVAC, mechanical installations, commercial janitorial, and high-rise window and surface cleaning. Since 2003, our team has provided Anchorage, Alaska, with high quality work, which has in turn earned us immense customer loyalty. We’re proud of that too.

Gilberto Guarderas, owner, headshot image

Gilberto Guardares

General Manager

Kelly Beckman, operations manager headshot image

Kelly Beckman

Operations Manager

Ehan Peabody, HVAC division manager headshot image

Ethan Peabody

HVAC Service Division Manager

Sara Candelas

Custodial Division Manager

David Stevens

High-Rise Window & Surface Cleaning 
Division Manager

Lee McKnight

Mechanical Division Manager

Joe Nika, HVAC service division training & development manager, headshot image

Joe Nika

HVAC Service Division 
Training & Development Manager

Matthew Hicks, lead technician headshot image

Matthew Hicks

Lead Technician

Dipo Fernandez, technician headshot image

Dipo Fernandez


William (Kimo) Jardin, technician headshot image

William (Kimo) Jardin


Matt Knight, technician, headshot image

Matt Knight


Jeff Cosgrove, technician, headshot image

Jeff Cosgrove


G&S Management Services org chart image