About Us

J.M. Turner Engineering, Inc. is committed to providing every client with a cost effective engineering design, while maintaining superior quality and customer service. Our designs are tailored to utilize the materials that you currently own or materials that you are looking to invest in. Often times, we will know if a proposed layout is inadequate without spending your money on unnecessary iterations. Utilizing our construction engineering expertise, we are able to anticipate constructability issues before they arise, saving our clients time and money. We take pride in the efficiency with which we can turn a project around while maintaining accuracy and innovation.

JM Turner TeamWe are a specialty civil, structural, and construction engineering firm providing technical consulting services to private industry, engineering contractors, developers, architects, and public agencies. J.M. Turner Engineering was founded on the principles of providing our clients with customized, job specific solutions with fast turnaround, while not sacrificing quality of attention to detail. Since 1990, J.M. Turner Engineering has successfully completed projects in more than 25 states and four European countries. Our company offers extensive hands-on project experience, including a comprehensive knowledge of regulatory requirements and an awareness of construction and permitting costs.

J.M. Turner Engineering has gained extensive knowledge and expertise in construction engineering. This background, combined with the ability to take on new challenges and work on a variety of different projects, has helped J.M. Turner maintain its position as a leading provider of specialty engineering services.

Our Team

Hans Vermeulen, PE

Adrianus (Hans) Vermeulen

Adrianus (Hans) Vermeulen
Position: President / CEO / Senior Engineer, P.E. Email: hans@jmteng.com Phone: 707-490-7441

Hans Vermeulen, PE, manages J.M. Turner Engineering from our main office in Santa Rosa, CA. He has an extensive and multi-faceted engineering background. With a B.S. in both Construction Engineering and Architecture he adds a fresh and innovative vision to each job he completes. Combining his knowledge with the experience he gained under the guidance of the company’s founder, Mr. Joe Turner, Mr. Vermeulen allows the company to grow and achieve its full potential.

Mr. Vermeulen’s 20 years experience in the industry allows him to work closely with his clients, meeting their exact requirements, in a cost effective manner.

Michael Miyano, PE

Michael Miyano

Michael Miyano
Position: Engineer P.E. Email: michael@jmteng.com

With a B.S. in Civil Engineering from U.C. Davis, Michael is a second generation civil engineer and has been with the company since November of 2009. Michael specializes in excavation shoring design, structural design and construction engineering. Michael’s exceptional organizational, communication and time management skills and his understanding of a practical design make him the ideal engineer for any project big or small.

Aaron Boise

Aaron Boise

Aaron Boise
Position: Senior Drafter Email: aaron@jmteng.com

Aaron has been with J.M. Turner Engineering since 1995. He has been an instrumental part in the growth and development of our company. As a Senior Drafter, with AutoCAD certification, Aaron has over 20 years of experience in a variety of drafting disciplines.

Pierre Kalmogo

Pierre Kalmogo

Pierre Kalmogo
Position: Engineering Intern

Pierre graduated with a B.S. in Civil Engineering from California State University, Chico. He joined J.M. Turner Engineering, Inc. in 2016 and has been of great support to the EIT’s and Engineers with regard to research and preliminary plan design work.

Andy Austin

Andy Austin, E.I.T.

Andy Austin, E.I.T.
Position: Junior Engineer

With a Masters in Structural Civil Engineering from San Francisco State University, Andy joined JMTE in 2016.  Andy performs all types of calculations including slope stability, excavation shoring design, structural design, and geotechnical engineering.  Andy’s exceptional organizational and communication skills make him an ideal engineer for projects both large and time critical.

Mansoor Safi, E.I.T

Mansoor Safi, E.I.T

Mansoor Safi, E.I.T
Position: Junior Engineer Email: mansoor@jmteng.com

Mansoor joined JMTE with a B.S. in Civil Engineering from Sacramento State University and a wide range of other varied experiences. Mansoor performs various engineering calculations and designs including excavation shoring designs, structural designs, construction engineering, geotechnical engineering, and water-related engineering analysis. Mansoor also brings knowledge of various software and programming to the team, including Civil 3D.

When time permits, he assists with and performs AutoCad drafting and applies his programming skills and understanding towards various programs, server and network maintenance.

Denise Becker

Denise Becker

Denise Becker
Position: Administrative Manager Email: denise@jmteng.com

Denise brings 14+ years of business finance experience (specializing in accounting) to the J.M. Turner, Engineering team. Simultaneously, she and her husband doubled as the CEO’s of Becker family household, a job which included the raising of their three loving children. Denise is the Controller for the J.M Turner Engineering team and also handles Bookkeeping.

Sarah Ruhnke

Sarah Ruhnke

Sarah Ruhnke
Position: Administrative Assistant Email: sarah@jmteng.com

Sarah, our most recent team member, graduated from Sonoma State University shortly before being hired in October of 2017. She uses her organizational skills to perform various administrative tasks quickly and efficiently.  Sarah’s positive attitude and eagerness to learn make her a wonderful addition to our staff.

Aidan Vermeulen

Aidan Vermeulen

Aidan Vermeulen
Position: Jr. Drafter Email: engineer@jmteng.com

Aidan Vermeulen has a passion for Civil Engineering. While attending high school he completed Autocad classes at the Santa Rosa Junior College and is now assisting JMTE as a junior drafter. His plan is to graduate college with a B.S. in Civil Engineering and follow in his dad’s footsteps.

Meeghan Vermeulen

Meeghan Vermeulen

Meeghan Vermeulen
Position: Recruiter, Marketing and Public Relations Specialist

Graduate of Sonoma State University with a B.A. in Communications, Meeghan has supported JM. Turner Engineering, Inc. over the last 11 years in the marketing, public relations, team building and recruiting departments. She enjoys the opportunity to promote J.M. Turner Engineering, Inc. and all the civil engineering fields it specializes in. “I am very proud of  our team and what they accomplish on a daily basis.”