Author: Mike Marfino

Stephan Kordt, Board Member

Stephan Kordt, Board Member

Posted on by Mike Marfino

Stephan was born and raised in the beautiful City of Dortmund, Germany.

After his military service in the German Artillery in Hannover, he studied

Civil/Structural Engineering at the Technical University in Aachen, before

spending the #rst two years of his career in Berlin, participating in the

design of a whole city block in the former East Berlin right behind where

the wall used to be.

When the project was completed, he decided to pursue his Master’s degree

in Structural Engineering at Arizona State University. After successful

completion, Stephan worked in Phoenix for a couple of years, before moving

to Las Vegas and being involved in many strip projects, such as Bellagio,

Venetian, Crystals, 63 CityCenter and the Sphere.

Stephan founded his own company, Kordt Engineering Group, in 2013,

before selling it to Canadian Engineering #rm RJC Engineers in 2022,

where he is now in charge of the continued growth of the US Operations.

Besides working a lot Stephan likes to travel with his wife, kids and friends,

following his hometown soccer team, Borussia Dortmund, to a few games in

interesting cities every year, riding his bicycle and visiting his daughter in

Milwaukee, where she is attending Marquette University and the Wisconsen

College of Medicine, and his son in Phoenix where he studies Biomedical

Engineering at ASU.

With so many good things happening in his live, Stephan found Los

Vaqueros to be the perfect Organization to give back a little and to enjoy the

camaraderie with fellow businesspeople.

Matt Amdur, Board Member and Membership Chair

Matt Amdur, Board Member and Membership Chair

Posted on by Mike Marfino

Matt Amdur is a seasoned construction leader with more than twenty‑five years of experience overseeing complex, large‑scale building projects across the Western United States. As Division President for Millie and Severson in Las Vegas, he drives strategic growth, operational excellence, and high‑performing team execution throughout the region. His leadership is defined by collaboration, innovative problem‑solving, and a commitment to delivering projects that meet client expectations while strengthening long‑term relationships.

Before stepping into the Division President role, Matt spent over a decade with Millie and Severson as Assistant General Superintendent, leading major construction efforts and refining operational processes. His earlier superintendent roles at Flintco, Straub Construction, and RQ Construction provided deep field expertise across diverse project types and environments, shaping his ability to manage teams, navigate challenges, and deliver consistent results.

Matt is dedicated to advancing sustainable, efficient construction practices and aligning his teams with the company’s mission to build enduring structures and trusted partnerships.

Darrin Christensen, 2nd Vice President

Darrin Christensen, 2nd Vice President

Posted on by Mike Marfino

Darrin Christensen is a retired business professional whose career spanned 30+ years in enterprise B2B technology sales. Most recently, Darrin served as an Account Executive at Snowflake helping organizations become more data-driven with the implementation of an innovative cloud‑native data platform. Prior to Snowflake, he sold data protection and infrastructure solutions to enterprise accounts at Dell Technologies. Throughout his career as an individual contributor and in sales leadership roles, Darrin built a reputation of delivering consistent revenue growth and customer satisfaction specializing in enterprise software, new customer acquisition, and growth strategies.

Darrin relocated to Las Vegas from the Washington, DC area in 2016 with his wife Karla. Retiring in 2024, he now enjoys golfing, traveling, and connecting to the community through his involvement with Los Vaqueros. He holds a BS in Business Administration from Northern Arizona University.