TERPconsulting Team

Who We Are

We ensure facility life safety through efficient system design and testing conducted by credentialed experts dedicated to customer 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, the District of Columbia, and Puerto Rico.

James P. Begley, PE, FSFPE, CFM

Natasha Overman

Natasha “Tisha” Overman is a founder and principal of TERPconsulting. With almost two decades experience in business administration, finance, and operations, she plays an integral role in the firm’s management and financial strategy.

Natasha Overman

Bryan Douglass, PE

As a firm principal who manages TERPconsulting's headquarters in Las Vegas, Bryan Douglass has almost two decades of engineering and code consulting experience and is a registered professional fire protection engineer in eight states.

Bryan L. Douglass, PE

principal fire protection engineer
Wayne R. Griswold, PE

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

Wayne R. Griswold, PE, CFPS

principal fire protection engineer
Mark Hopkins PE final

With a specialty in corrosion and an expertise in loss consulting and testifying as an expert witness, Mark Hopkins has actively leveraged his knowledge to make significant advancements in fire safety.

Mark Hopkins, PE, FSFPE

regional director and senior fire protection engineer
Plati Joe

As lead of TERP’s New York City team, Joseph Plati code consulting experience includes egress analysis, passive fire resistance rating analysis, 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

An active firefighter, HazMat technician, and licensed PE, Joe Chacon provides building/fire code consulting, plan review, hazardous materials consulting, hazard analysis and risk assessments, and the design of fire protection systems.

Joe Chacon, PE

senior fire protection engineer
Halpert Headshot

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

Jeff Halpert, PE

senior fire protection engineer
Kaitlin McGillvray

A part of TERP’s New York team, Kaitlin McGillvray's specializes in egress analysis, fire protection systems, 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 within the industry is fire protection sprinkler and standpipe systems. He has extensive experience with the review and certification of Middle East projects, high-piled storage permitting requirements, and suppression design.

William G. Koenig, PE

senior fire protection engineer

A registered professional fire protection engineer 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

fire protection engineer

Currently serving as Vice President of the 2023 Colorado Fire Protection Association (CFPA), Jesse Lumpa is certified by the National Institute for Certification in Engineering Technologies (NICET) 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, EIT

fire protection consultant
Jason Beck

Jason Beck's certification as an MQAA special inspector for smoke control systems and preparing smoke control diagrams lends itself to his expertise in smoke control design, coordination, inspection, and testing.

Jason D. Beck, AET

senior fire protection consultant
SontagR Headshot

Amassing more than 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. In 2019, he graduated from the National Fire Academy’s Executive Fire Officer Program.

Robert Sontag, CFPS

senior fire protection consultant
Nicole Plunkett-Reid

Nicole performs FPRs, alternate methods, egress analyses, 3rd party reviews, and fire modeling simulations. Her experience also includes code consulting, design and calculation of fire protection systems, and architectural plan review.

Nicole Plunkett-Reid

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
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 residential, business, and assembly occupancies across multiple jurisdictions.

Francisco Kang, EIT

fire protection consultant
Heather Younghusband

As TERP’s accessibility lead, Heather brings her knowledge in analyzing fire and life safety requirements and accessibility code compliance. She is CASp-certified and an International Code Council (ICC) Accessibility Inspector/Plans Examiner.

Heather Younghusband, CASp

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 fire protection consultant role at TERPconsulting.

Adam Krylo , AET

fire protection consultant
Eric Johnson

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

Eric T. Johnson

fire protection consultant
MattStrasser-0010 (1)

Matt Strasser’s career-making projects have included Allegiant Stadium, Las Vegas Raiders headquarters, Las Vegas Aces practice facility, and Circa Resort & Casino, as well as countless other resort and gaming properties in Southern Nevada.

Matt Strasser, AET

fire protection designer
Gary Lyon Fire Protection Consultant

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

Gary Lyon, TT

fire protection designer
Mike Portillo

As a member of TERP’s CAD Union, Michael Portillo has worked on resort properties both domestically and internationally including MGM Grand, Caesars Palace, and Wynn Las Vegas. His experience also includes Native American casinos.

Michael Portillo

fire protection designer
MMatura Headshot

Marisa conducts accessibility assessment field surveys, inspections, and analysis; performs accessibility reviews, and existing building audits; and provides technical assistance and consulting during project development.

Marisa Matura

accessibility technician
Trobough Ann 2023

Ann Trobough joined TERPconsulting in 2017 to build the firm’s marketing department into one of its pillars of strength. She utilized 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 expertise as a former editor/writer to manage content on the firm’s website and social media channels as well as disseminate communication initiatives with regard to TERP’s endeavors and accomplishments.

Beth Schwartz

communications director
Cohen Nancy Headshot

Nancy Cohen is responsible for implementing new projects, coordinating, and managing 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 oversees administrative operations for TERPconsulting’s Las Vegas, Southern California, Phoenix, and Baltimore offices. She provides support for new project setup and proposals, finalizing reports and documents, and AHJ submittals.

Lindsay Beck

office manager
Jenny Bernal

Since joining TERPconsulting in 2021, Jenny has brought her energetic approach, organization skills, and resourcefulness to a wide variety of administrative projects ranging from greeting clients to assisting with documents and reports.

Jenny Bernal

office assistant

A key team member of TERPconsulting, 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.


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