
Founder, Mark Elliott of Elliott Drilling Services, Inc. Mark’s history in the industry spans over 45 years. Mark worked for over 20 years as Vice President of Contracts for one of the area’s largest drilling contractors. During his employment, he was involved with over 3000 projects with Contracts totaling over $100,000,000. These projects covered the Western United States and stretched as far east as Florida and as far west as Hawaii, as far north as Alaska and as far south as Alabama. Since Elliott Drilling’s inception in 2004, Mark has grown Elliott Drilling Services, Inc. to be an effective small business and specialty subcontractor for work in the Southern California area. He has completed over 600 projects ranging in size from $5,000 to $2,000,000 successfully. Mark continues to work with Elliott Drilling Services, Inc. as a consultant on an as needed basis.
President, Jesus Sosa is a highly accomplished Construction Manager and Senior Inspector with more than 31 years of experience delivering construction management, field inspection, and infrastructure oversight services for water agencies, municipalities, and public works programs throughout California. His expertise spans water treatment plants, wastewater facilities, water and sewer pipelines, pump stations, reservoirs, wells, recycled water systems, and major capital improvement projects. In addition, he brings experience in environmental hazardous waste remediation and industrial wastewater treatment operations. Mr. Sosa has supported numerous high-profile projects for agencies including the California Department of Water Resources, Moulton Niguel Water District, Coachella Valley Water District, Irvine Ranch Water District, and Yorba Linda Water District. Throughout his career, he has been responsible for construction inspection, quality assurance, regulatory compliance, contractor coordination, reinforced concrete inspection, pipeline construction, utility infrastructure upgrades, and capital improvement program delivery.
Recognized for his technical expertise, leadership, and commitment to quality construction practices, Jesus Sosa has built a distinguished career ensuring the successful delivery of critical public works, water and wastewater infrastructure projects that serve communities across California.
Professional Certifications and Licenses – Jesus Sosa
- Construction Management Undergraduate Certificate – Ashworth College
- California Licensed General Engineering Contractor, Class A
- Certified Public Infrastructure Inspector (CPII) – American Public Works Association (APWA)
- ICC Reinforced Concrete Special Inspector
- ACI Concrete Field Testing Technician, Grade I
- Qualified SWPPP Practitioner (QSP) – CASQA
- Qualified SWPPP Practitioner (QSP) – CISEC
- Cross Connection Specialist – American Water Works Association (AWWA)
- Water Treatment Operator, Grade II – California Department of Health Services
- Water Distribution Operator, Grade II – California Department of Health Services
- OSHA 30-Hour Safety Certification
- First Aid, CPR, and AED Certified
These credentials reflect Mr. Sosa’s expertise in construction management, public infrastructure inspection, reinforced concrete inspection, water systems operations, environmental compliance, and jobsite safety.

Office Manager, Dawn Wood, has many years of experience in management, human resources and business. She has been with Elliott Drilling Services from day one and is a loyal, professional and competent manager. She oversees our human resources, Accounts Payable, Accounts Receivable, Contract billings, Contract insurances and various other management functions. She is meticulous and diligent about her work, making for an efficiently run office.
Dawn is married to her life-long best friend, Brian, for 40 years now and together they have two married children and three precious grandchildren. Being a Nana is her greatest joy. She also stays busy outside of work involved with ministry to women at her church and playing as much pickleball as possible.
Production Manager, Brett Thibodeaux, has been a dedicated member of Elliott Drilling for over 22 years. Throughout his career, he has worked his way up through the company, beginning as a laborer before advancing to equipment operator and ultimately earning his role as Project Manager. His hands-on experience in every phase of the business provides him with a strong understanding of the industry and the ability to successfully lead projects from start to finish.
As a second-generation Project Manager, Brett proudly follows in the footsteps of his father, Jacques Thibodeaux, whose strong work ethic, integrity, and commitment to excellence helped shape Brett’s professional values. These principles continue to guide his leadership style and dedication to delivering quality results for clients and coworkers alike.
He and is highly skilled in operating all types of heavy equipment, allowing him to bring both technical expertise and practical field knowledge to every project. His extensive experience, leadership abilities, and commitment to safety make him a valuable asset to the Elliott Drilling team.
Outside of work, Brett is a devoted family man who enjoys spending time with his wife and their two sons. He takes pride in balancing a successful career with the values of family, hard work, and community.
Project Supervisor, Adrian Valadez has been with Elliott Drilling for 7 years now, and he has recently been promoted to our Project Supervisor. He began as a Laborer and worked his way up to an Operator, then a Foreman before his promotion. He is doing a fantastic job as he learns his new role. He has a strong work ethic and takes pride in delivering quality work and building lasting relationships with both our clients and his fellow employees.
A devoted family man, Adrian is happily married and the proud father of two children. His family is his motivation behind everything he does.

Safety Manager, Courtney Lindsey, is part-time safety consultant for our company. He operates under his own business, Dynamic Risk Solutions based out of the Temecula area. He has many years of experience in the field of construction safety and is a valuable part of our management team.