TERPconsulting Team

Meet the trailblazers at TERP

We ensure facility fire and life safety through meticulous and efficient system design and testing conducted by credentialed experts dedicated to client satisfaction and public safety.  

Jim Headshot_NEW

Distinguished as a Fellows in the Society of Fire Protection Engineers (SFPE), Jim Begley, founder of TERPconsulting, is a registered professional fire protection engineer in 43 states and the District of Columbia.

James P. Begley, PE, FSFPE, CFM

Natasha Overman

A founder and principal of TERPconsulting, Natasha “Tisha” Overman has almost 20 years' experience in finance, operations, and business administration. She's integral in the firm’s management and growth.

Natasha Overman

Bryan Douglass, PE

One of four firm principals, Bryan Douglass has almost 20 years of engineering and code consulting expertise and is a registered professional FPE in eight states.

Bryan L. Douglass, PE

principal fire protection engineer
Wayne R. Griswold, PE

A TERP principal, Wayne Griswold leads projects in Colorado and the Middle East. He is well-versed in design, consulting, hazmat, commissioning and testing of complex fire/life safety systems, and code consulting.

Wayne R. Griswold, PE, CFPS

principal fire protection engineer
Plati Joe

As head of TERP’s NYC team, Joseph Plati's code consulting experience includes passive fire resistance rating analysis, egress, height and area analysis, smoke control system design and analysis, and fire modeling.

Joseph Plati, PE

regional director and senior fire protection engineer

Jorge Velasco, who manages TERP’s Southern California team, specializes in 3rd party smoke control, fire alarm, and special suppression system testing, and the design and inspection of fire protection systems.

Jorge Velasco, CET

regional director and senior fire protection consultant
James Frater

James Frater, PE is responsible for managing TERPconsulting’s Arizona operations. His extensive experience includes fire protection engineering, code consulting, and experience as an Authority Having Jurisdiction (AHJ).

James Frater, PE, CFM, CBO

regional director and senior fire protection engineer
Jason Beck

Jason Beck adeptly manages a spectrum of responsibilities at TERPconsulting's Las Vegas headquarters including oversight of building and fire code consulting services, master egress, smoke control, and accessibility considerations.

Jason D. Beck, AET

senior fire protection consultant

A firefighter, HazMat technician, and licensed PE, Joe Chacon provides building/fire code consulting, plan review, hazardous materials consulting, hazard analysis and risk assessments, and fire system design.

Joe Chacon, PE

senior fire protection engineer
Halpert Headshot

Prior to joining TERP, Jeff Halpert, who is serving as president of the SoCal Chapter of Society of Fire Protection Engineers, spent a 30-year career in the Fire Prevention Bureau of the Glendale Fire Department.

Jeff Halpert, PE

senior fire protection engineer
Kaitlin McGillvray

A part of TERP’s NYC team, Kaitlin McGillvray specializes in fire protection systems, egress analysis, protection of floor openings and special hazards, and alternative methods of construction for structural fire protection and smoke control.

Kaitlin McGillvray, PE

senior fire protection engineer
WIlliam G. Koenig

Bill Koenig's specialty is fire protection sprinkler and standpipe systems. He has vast experience with the review of Middle East projects, high-piled storage permitting requirements, and suppression design.

William G. Koenig, PE

senior fire protection engineer

A registered professional FPE in North Carolina, Rick's experience in the field of fire protection engineering runs from small-scale sites to mega projects including high-rise buildings, casinos, industrial complexes, and power plants.

Richard Cloninger, PE

senior fire protection engineer

Utilizing his specialties of code consulting, plan review, and firestop inspections, Randy Day’s project portfolio includes the modernization of DIA, plan review for DFD, and tenant improvements at Children’s Hospital Colorado.

Randy Day, PE

senior fire protection engineer

Currently serving as Vice President of the Colorado Fire Protection Association, Jesse Lumpa is certified by the National Institute for Certification in Engineering Technologies in Water-Based Systems Layout, Level II.

Jesse Lumpa, PE

fire protection engineer
Paul Seifert

In addition to his deft skills in commercial fire sprinkler design, Paul Siefert’s other specialties in the fire protection engineering field include plan review, hazardous materials, and cannabis facilities.

Paul Seifert, PE

fire protection engineer
Francisco Kang

A modeling analysis whiz, Francisco Kang has managed performance-based design and fire, smoke, and egress modeling projects for high-profile projects in various occupancies across multiple jurisdictions.

Francisco Kang, PE

fire protection engineer
SontagR Headshot

A graduate of the NFA's Executive Fire Officer program who possesses over 25 years of experience in building systems, fire protection, and firefighting, Rob Sontag served as Colorado’s Chief Fire Code Official prior to joining TERP.

Robert Sontag, CFPS

senior fire protection consultant
Sam Young

Sam Young's fire alarm-centric background features 20 years in a contracting role focused on solving complex fire alarm-related issues in addition to design support/review, programming, and system commissioning.

Sam Young, SET

senior fire protection consultant

Lana Benny has been involved in fire protection projects throughout the world performing fire and smoke modeling services for the NY Korea Center in New York City and Marjan Offshore Platform in the Arabian Gulf.

Lana Benny, EIT, AIFireE

fire protection consultant
Heather Younghusband

As TERP’s accessibility lead, Heather Younghusband excels in analyzing fire and life safety requirements and accessibility code compliance. She is CASp- and RAS-certified and an ICC Accessibility Inspector/Plans Examiner.

Heather Younghusband, CASp, RAS

fire protection consultant
Adam_0027 (1)

With a focus on special inspections and testing, Adam Krylo brings his skilled knowledge in preparing fire protection reports, egress plans, and general code consulting to his role at TERPconsulting.

Adam Krylo, AET

fire protection consultant
Eric Johnson

Eric Johnson is responsible for code consulting, permitting, and performing on-site inspections. His experience includes fire safety design projects for transportation, hotels, commercial, municipal, and school buildings.

Eric T. Johnson

fire protection consultant
Matt Strasser, Fire Protection Consultant

Matt Strasser’s notable projects include Allegiant Stadium, Las Vegas Raiders headquarters, Las Vegas Aces practice facility, and Circa Resort & Casino, as well as countless other So. Nevada resort and gaming properties.

Matt Strasser, AET

fire protection consultant
Gary Lyon Fire Protection Consultant

Gary Lyon prepares egress drawings, tenant improvement and FPRs, and fire alarm design as well as assists with third-party smoke control special inspection testing as part of TERP’s Cad Union.

Gary Lyon, TT

fire protection designer
Mike Portillo

As an integral member of TERP’s CAD Union, Michael Portillo has worked on resort properties both domestically and internationally that includes MGM Grand, Caesars Palace, and Wynn Las Vegas as well as tribal casinos.

Michael Portillo

fire protection designer
Chaz Simons

As one of TERPconsulting’s skilled CAD Union team members, Chaz Simons’s focus is drawing and design preparation utilizing AutoCAD and Revit programs.

Chaz Simons

fire protection designer
Trobough Ann 2023

Ann Trobough has built TERPconsulting’s marketing arm into one of its pillars of strength utilizing her business development expertise in branding and marketing to nurture the firm’s robust profile and sterling reputation.

Ann Trobough, CPSM

marketing director

Beth Schwartz uses her skills as a former editor/writer to manage content on the firm’s website and social media channels as well as share communication initiatives about TERP’s endeavors and accomplishments.

Beth Schwartz

communications director
Cohen Nancy Headshot

Nancy Cohen is responsible for coordinating proposals, finalizing reports, and managing the day-to-day operations for the firm’s Denver, New York City, and Saudi Arabia (KSA) operations.

Nancy Cohen

operations manager
Lindsay Beck

Lindsay Beck oversees administrative operations for TERP’s Las Vegas, Los Angeles, and Phoenix teams. She manages new projects and proposals, finalizes reports, documents, and AHJ submittals.

Lindsay Beck

office manager
Jenny Bernal

Jenny Bernal brings her energetic approach, organization skills, and resourcefulness to a wide variety of administrative projects ranging from receiving clients to assisting with documents and reports.

Jenny Bernal

office assistant

Buster oversees the company’s pest control management, monitors workplace productivity, warms empty seats, serves as a paperweight, and manages the shredding of old documents.


business cat
Piper with Neon

The art of relaxation is rooted in Piper Beck’s Parisian heritage. Because she is the embodiment of tranquility, employees flock to her for advice on relaxation and stress management.

Piper Beck

chief lounging coordinator
call to action image

Join Our Team

Come to work with TERPconsulting as a fire protection engineer, designer, and more!

Learn More
Skip to content