
ABOUT US

know
about us
Leading the way
in Design and Construction
JACOB | MARTIN, formerly Yeatts & Decker, Inc. was founded in 1948. Our firm offers a wide scope of architectural, engineering, surveying and specialized services to meet the needs of public and private organizations. We’re still providing service to many clients that started with us almost 70 years ago.
WHAT WE BELIEVE
These principles define who we are and guide everything we do. We believe that relationships are built on a foundation of integrity, excellence and trust. We believe that honesty and open communication are the keys to success for every relationship and every project. The services we provide, the designs we generate, and the method in which we deliver them are testimony to these principles.
THE JM ADVANTAGE
WE LISTEN
Not only reliable products on time, we make a habit of providing ideas and solutions that exceed our clients’ expectations.
WE HAVE ANSWERS
Not only about the latest design considerations, we help clients develop budgets, find funding, and maintain compliance.
WE PAY ATTENTION
Not only to changing regulations and market forces, we’re attentive to our clients’ priorities and concerns.
WE INVEST
Not only in emerging technologies, we make lasting investments in our clients and their communities.
WE DELIVER
Not only reliable products on time, we make a habit of providing ideas and solutions that exceed our clients’ expectations.
Meet Our Leadership Team

Ken Martin
Principal Engineer, President
Mr. Martin graduated from Texas Tech University in 1973 with a Bachelor of Science in Civil Engineering.
A few years later in 1975, he joined Yeatts & Decker, now JACOB | MARTIN and has been part of the
organization ever since. Ken brings almost 50 years of experience working with municipalities, rural
water systems, and private organizations on a wide variety of public infrastructure projects. Mr. Martin
currently serves as President and Principal in Charge at JACOB | MARTIN.

Derek Turner
Principal Engineer, Vice President
Mr. Turner graduated from Texas Tech University with a Bachelor of Science in Civil Engineering in 1992.
He joined JACOB | MARTIN in 1997 and brings over 25 years of experience with all types of public
infrastructure and private development projects. He has completed numerous federal, state, and locally
funded projects for municipalities and utility districts. Derek moved to Weatherford, TX in 2005 where
he currently manages our Weatherford Office.

Tal Fillingim
Principal Engineer, Vice President
Mr. Fillingim graduated from Texas Tech University in 2001 with a Bachelor of Science in Civil Engineering. After working in both the private and public sectors, Tal joined JACOB | MARTIN in 2005. His expertise includes residential and commercial development, stormwater, transportation and structural applications. Tal currently manages both our Land Development team and Building Services group.

Kirt Harle
Principal Engineer, Vice President
Mr. Harle graduated from Texas Tech University in 2003 with his Master of Science in Civil Engineering.
He joined JACOB | MARTIN that same year and dedicates most of his time working with municipalities
and water districts with public infrastructure projects. Kirt also manages our Environmental Services
Department providing compliance, regulatory and operational support to both public and private
entities.

Will Dugger
CFO, Vice President
Mr. Dugger graduated with a Bachelor of Business Administration from Baylor University in 1994. Will
served as an Officer in the United States Air Force for six years and worked in the corporate technology sector
until joining JACOB | MARTIN in 2003. Will provides a number of critical business roles within the
company. His background in financial systems and technology keep JACOB | MARTIN at the forefront of
best practices in the A/E industry and ensure the organization is constantly striving to deliver excellence.