We’ve named a new CEO/President!

April 1, 2019

The SEH Board of Directors selected David E. Ott to serve as the next CEO/President of SEH. He will join the ranks of 800 talented professionals dedicated to serve you.

Whether we’ve had the opportunity to serve you for 90 years, 50 years, 10 years, 1 week or anything in between, David will build upon the long-time tradition of our employee-owned Company—building relationships with clients that stand the test of time.

I’m honored to have the opportunity to lead this exceptional Company of creative, dedicated and talented professionals. SEH is focused on Building a Better World for All of Us® and empowers its employees to do their best every day for the clients they serve. It’s an honor to follow in the footsteps of Sam Claassen whose leadership and focus on the greater good led SEH to continued success year after year. I’m looking forward to the future where our employees, our clients and our partners succeed together.
David Ott, PE

David’s career as a professional engineer* spans over 30 years. During this time he has led high performing teams who delivered every day. He created an environment where his teams coupled innovative approaches to design and deliver projects with sound project management principles. He believes this approach leads to building trust with clients and stakeholders—the foundation of every relationship and project.

“Speaking on behalf of the Board of Directors, we believe David is the right person to lead SEH. He will serve you well. He’s results-oriented and believes in the power of engaged teams to serve our clients. He’s proven throughout his career that creating high performing teams to deliver quality service every day, every project is at the core of success,” says Sam Claassen, CEO/President.

I’m looking forward to the future where our employees, our clients and our partners succeed together.
David Ott, new CEO/President of SEH

*Registered Professional Engineer in

Masters of Science,
Geotechnical Engineering
Bachelor of Science,
Civil Engineering

Former Engineering Officer
(Lt 0-3), U.S. Navy

Former Senior Vice President
of a global 70,000 person firm

Delivered a wide range of
infrastructure projects around the world

Loves to travel and explore a multitude of outdoor activities like snowboarding and biking


Sam Claassen

After 40-plus years at SEH and nine years as CEO/President Sam L. Claassen is retiring on June 30, 2019 to spend more time with family and further his passion of making our world a better place through his long-time advocacy for clean water.

We’re hiring! Join our team.

At SEH, our people define us. You are the reason we lead the industry. Explore open positions, our culture and what “100% employee-owned” means for your career. Connect with your Recruitement Team.

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