LEADERSHIP

COLIN SILLA, PE, PMP
AREA MANAGER
Ben Campbell
Vice President GTS Area Manager Ben is a management professional with over 35 years of experience in gas engineering, operations, construction, project management, product development, and marketing with an emphasis on engineering and business development within the midstream and downstream sectors of the natural gas industry. Ben’s experience while working with Pacific Gas and Electric Company is quite diverse and includes serving as Director of Hydrotest Engineering, Director of Project Management, Director of Gas Transmission Construction, Director of Gas Marketing, Director of New Revenue Development (from utility non-tariffed products and services) and various mid-management engineering positions with PG&E’s gas transmission and distribution departments. Major Accomplishments
- Executive responsible for the formation and development of PG&E’s hydrotest program which has tested over 1400 miles of in-situ gas transmission pipeline since the San Bruno incident in 2010.
- Directed the Project Management organization which delivered on an annual $700 million capital and $300 million expense budget for a four-year period to execute PG&E’s Pipeline Safety Enhancement Plan (PSEP). Gas Transmission projects delivered included pipeline replacement, hydrotesting, ILI retrofits, ILI pig runs, valve replacement and automation, regulator and compressor station rebuilds, casing removals, and corrosion projects.
- Directed the team that developed PG&E’s dig PMO to reliably and efficiently deliver on MAOP validation and Integrity Management inspections and remediation of the pipeline system.
- Directed PG&E’s program to earn revenues on the secondary use of PG&E’s assets including such items as installing cellular base stations on PG&E transmission towers, installing fiber on PG&E towers and in conduits, mover services, LED street light turnkey service, gas parts replacement program, licensing, etc. Developed 13 new revenue generating services and doubled net revenue in less than 5 years.
- Wrote testimony and testified in over a dozen Public Utility Commission proceedings as an expert witness for rate cases, market policy changes, and PSEP program issues.
- Directed PG&E’s California Gas Transmission business unit which is responsible for the sale of gas transmission and storage transportation contracts, customer service, and product marketing strategies. Helped to develop the Gas Accord settlement agreement which rewrote the market structure for delivering natural gas across California and was recognized nationally for its progressive rules and flexibility for customers. Achieved an 8.8 on a 10-point scale for Customer Satisfaction. Also, helped to develop PG&E’s parking and lending program.
Ben holds a Bachelor of Science in Mechanical Engineering from the University of California at Davis and a Masters in Business Administration from Saint Mary’s College in Moraga. Ben earned his Professional Engineering License in California in 1988.



MARK CABRAL, PE
AM Senior Advisor
Mark A. Cabral
Vice President Operations Mark is a management professional with over 30 years of experience in engineering and design, operations, construction, finance and marketing with particular emphasis in business and project development within the midstream and downstream sectors of the natural gas industry. Mark’s experience includes serving as the General Manager of PG&E’s Queensland Gas Pipeline (Australia), Director of Energy Alliances, Vice-President and CFO for Moreno Trenching Ltd., and various mid-management engineering positions with PG&E’s gas transmission and distribution departments. Major Accomplishments
- Executive responsible for the commercial, operational and system expansion of the Queensland Gas Pipeline for PG&E, a 400-mile pipeline system in Queensland, Australia.
- Developed and expanded Moreno Trenching to take advantage of increased demand for joint trench services due to strong housing market. As General Manager and then CFO, he played a crucial role in helping Moreno Trenching triple its revenue from 1999 to 2006, and expand its employee base and service territory.
- Managed a team that provided engineering, design and management services for O&M and capital improvement for the entire 6,600 mile California transmission and gas gathering system.
- Responsible for coordinating the engineering effort associated with cutting off and sealing the gas services to thousands of homes destroyed by the Oakland Hills Fire, isolating, removing water that entered into the system, purging and restoring service to over 5,100 existing customers who had their gas shut off within 5 days of the emergency.
- Oversaw construction and installation of three major river HDD crossings, the longest being 4,000 feet, of the Sacramento/San Joaquin Delta with a 42” gas main.
Mark holds a Bachelor of Science in Mechanical Engineering from the University of Santa Clara. Mark is also registered as a Professional Engineer in California and North Carolina.



DONOVAN FINK, PE
DIRECTOR, OPERATIONS EXCELLENCE
Joe Medina
Vice President Business Development Joe joined GTS in 2014 after 30 years in the Utility industry. At GTS Joe is responsible to lead and manage all Business Development activities throughout the company. Joe has an extensive background in a variety of disciplines including engineering, maintenance, construction and operations as well as extensive experience developing and executing MAOP Validation processes. Joe is Lean Six-Sigma trained, a devout process practitioner and has a degree in Mechanical Engineering from the University of California, Davis and an MBA from St. Mary’s College in Moraga, CA.



EVAN STARK
DIRECTOR, PROJECT/ PROGRAM DELIVERY
Mark Hernandez
Director, Finance and Information Technology Mark has over 26 years of financial, accounting, and information technology experience in aerospace, manufacturing, and professional service industries. Mark joined GTS in 2012 as Controller and to implement a new ERP system. In 2019, he became the Director of Finance and IT. Mark is responsible for finance, accounting, payroll, contract administration, and information technology departments. Mark is well versed in implementation of ERP systems and accounting controls. Major Accomplishments:
- Directed $45 million annual corporate cash flow, managed $10 million line of credit, maintained business insurance, lines of credit, bank covenants and reporting, and financial auditor contracts
- Managed and implemented five different ERP systems in career
- Setup Contracts Administration processes to implement quality controls, contract compliance, risk assessments, measurable metrics, and process maps
- Setup information technology department for managing hardware and software purchasing, information technology budget, continuity plan, software license compliance, remote users, virus protection and security
- Administered and monitored $3 million general and administrative budget for information technology, human resources, accounting, executive, and finance departments
- Introduced and led electronic filing project which increased accounts payable productivity by 70% and saved $50,000 in processing time, research, and audits
- Upgraded network foundation and servers resulting in 99.9% uptime on server resources and 100% uptime on network which led to an increase in productivity
- Facilitated training on Microsoft Excel, Outlook, managing network folders, ECopy software, Crystal Reports, budgeting, management reports, audit protocol, database management, and ERP system more than 80 employees
Mark holds a Bachelor of Science degree in Finance and MBA degree in Accounting/Management Information Systems from California State University, Chico



JOHNNA QUIN, PE
DIRECTOR, ENGINEERING DESIGN
Donavon Fink
Managing Director, Southwest District Donavon has over 15 years of engineering and project management experience with oil and gas pipelines and terminals. Prior to joining GTS in 2012 Donavon held engineering and project management positions with a pipeline operator and consulting companies. He is currently responsible for overseeing and managing the Southwest District for GTS based out of the Los Angeles office. Areas of expertise:
- Pipeline Design and Analysis for Retrofit and New Installations
- Hydrostatic Test Engineering for In-Situ and New Pipelines
- Operations, Maintenance, and Reliability Engineering
- In-Line Inspection Engineering
- Root Cause Failure Analysis
- Process Hazard Analysis (PHA)
- Program and Project Management
Donavon holds a Bachelor of Science in Mechanical & Environmental Engineering from University of California, Santa Barbara, an MBA from St. Mary’s College, and is a registered Professional Mechanical Engineer in CA.












TYLER ENOS, PE
PROGRAM MANAGER, CENTRAL
Tomo Swendsen
Southwest District Manager
Tomo has over 15 years of project management, engineering and estimating experience with civil infrastructure and natural gas projects. He is currently responsible for overseeing and managing the Southwest District for GTS based out of the Los Angeles office. Areas of expertise:
- Program and Project Management
- Estimating for private and public project bids
- Shoring, falsework and retaining wall design.
- Pipeline Design and Analysis for retrofit and new installations
- Hydrostatic Test Engineering for In-Situ and New Pipelines
- Quality control and assurance programs and processes
Tomo holds a Bachelor of Science in Civil & Environmental Engineering from the University of California Davis, an MBA from the University of California Los Angeles, and is a registered Professional Civil Engineer in CA.



DAVID ALLESHOUSE, PMP
PROGRAM MANAGER, EAST
Brain Kelly
Northeast District Manager
Brian Kelly has over 30 years of industry experience and has held several leadership positions that have focused on managing operations, client development, marketing, and technical aspects of oil, gas, and industrial business segments. His well-rounded experience and specialized knowledge of the gas and electric utilities market make him well-suited to lead the growth of GTS in the Northeast. As the Northeast District Manager, Brian builds and oversees GTS operations to achieve growth in the Northeast utilities market. Education Info: Brian holds a Bachelor’s degree in Mathematics from Stockton State College and a Bachelor’s in Hydrology and Water Resources from the University of Arizona



CORY ST. PIERRE
ASSET KNOWLEDGE MANAGER
Tyler Enos
Rocky Mountain District Manager
Tyler has over 8 years of engineering and project management experience with natural gas projects. He is currently responsible for overseeing and managing the Rocky Mountain District for GTS and is based out of the Denver office. Areas of expertise:
- Pipeline Design and Analysis for retrofits and new installations
- Hydrostatic Test Engineering for In-Situ and New Pipelines
- In-Line Inspection Engineering
- Pipeline Integrity Management
- Pipeline Welding Inspection
Tyler holds a Bachelor of Science in Mechanical Engineering from California Polytechnic State University – San Luis Obispo and is a registered Professional Engineer in the states of California, Colorado, Minnesota, and Wisconsin. He is also a Certified Pipeline Welding Inspector.



JAKE CLAPP, PE
TRANSMISSION ENGINEERING MANAGER
David Alleshouse
Southeast District Manager David joined GTS in 2015 and has 12 years of engineering and project management experience in the air pollution control and natural gas industries. He oversees the growth and development of GTS’s Southeast District Operations with the support of Business Development, Corporate Operations and a staff of engineers, project managers, field engineers and drafters. Major Accomplishments
- Developed a Digs Project Management Office (PMO) for Southern Company Gas’s Integrity Verification Program (IVP). The PMO continues to deliver hundreds of successful MAOP Validation and Integrity Management inspections annually.
- Helped grow the GTS Southeast District Office from 7 to 19 employees in 3 years.
- Managed 30 transmission pipeline reconstruction projects and 230 digs.
David holds a Bachelor of Science in Chemical Engineering from the University of California, Santa Barbara. David is also a registered Project Management Professional with the PMI Institute.



TRAVIS ARENDT, PE
DISTRIBUTION ENGINEERING MANAGER
Jason Berry
DIRECTOR PROGRAM & PROJECT MANAGEMENT
Jason has 13 years of experience in Construction Project Management, 10 of which in the natural gas pipeline industry in Engineering and Project Management roles. He started as a Project Engineer assigned to various construction and engineering projects and transitioned into Project Management over the past few years while helping build the Program and Project Management department with services such as the Dig PMO, Non-Traditional In-Line Inspections and other Integrity Management services.
Major Accomplishments
- Developed and expanded the Integrity Management line of business for GTS. In 4 years, grew the team of Project Managers and Engineers from 2 to 29. Instrumental in increasing the growth and revenue of department.
- Trained and developed dozens of Project Management personnel within the GTS Integrity Management Team. This includes establishing the Dig Project Management Organization and then developing both the Non-Traditional In-Line Inspection and Direct Assessment Project Management business lines
- Assumed management of the Pipeline Pathways Engineering Team. This team grew to a peak of 11 Engineers who performed Encroachment reviews based on the Client’s Pipeline Centerline Survey of approximately 6,700 miles of Transmission Pipeline. Approximately 79,000 encroachments have been reviewed since the inception of the project. Additionally, during the supervision of this department, the team was actively utilized to introduce new Engineers to GTS with productive and billable work and subsequently transitioned to the Engineering Department as experienced and trained resources.
- Personally Project Managed the first Non-Traditional Live Pipeline Deployment In-Line Inspection in 2013 for client pipeline by means of robotic, remote controlled inspection. GTS has since turned this type of work into a growing line of business.
Jason holds a Bachelor of Science in Mechanical Engineering with a Minor in Manufacturing from California State University, Chico. He is also a registered Professional Mechanical Engineer in California, and a Registered Project Management Professional with the PMI Institute.



DREW MALONE
STATION ENGINEERING MANAGER
Tyler Enos
Rocky Mountain District Manager
Tyler has over 8 years of engineering and project management experience with natural gas projects. He is currently responsible for overseeing and managing the Rocky Mountain District for GTS and is based out of the Denver office. Areas of expertise:
- Pipeline Design and Analysis for retrofits and new installations
- Hydrostatic Test Engineering for In-Situ and New Pipelines
- In-Line Inspection Engineering
- Pipeline Integrity Management
- Pipeline Welding Inspection
Tyler holds a Bachelor of Science in Mechanical Engineering from California Polytechnic State University – San Luis Obispo and is a registered Professional Engineer in the states of California, Colorado, Minnesota, and Wisconsin. He is also a Certified Pipeline Welding Inspector.