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Corporate Leads

Corporate Leads
Thielman, PE, CFM, Gregg
Gregg Thielman, PE, CFM
President/CEO
In 2021, Gregg was named as HEI's fourth President/CEO. He has more than three decades of experience and has been with HEI for more than 23 years. He is a proven leader and respected throughout the region. Gregg demonstrates his leadership with new successful ideas, initiatives, strategies, and projects at HEI.
Eilertson, PE, Cody
Cody Eilertson, PE
Director of Operations
Cody joined HEI in 2015 as our first Director of Operations. While his role is varied, he uses more than 20 years of experience in project controls, design, development, and management to lead our office managers and develop and enhance our firm’s internal processes and daily operations.
Johnson, David
David Johnson
Client Development Manager
David brings nearly three decades of experience to HEI's team. He provides value to both our clients and employees as he leads processes and strategies across our firm.
Stroh, Brenda
Brenda Stroh
Controller
Since 2008, Brenda has been leading our accounting team to ensure we are in compliance with GAAP (Generally Accepted Accounting Principles), meeting our audit requirements, and showing a healthy bottom line each year.
Erickson, Lois
Lois Erickson
Human Resources Manager
Lois knows what good talent is and has been helping our team grow since she joined our firm in 2013. She leads our recruiting strategy and retention plan to foster a culture where employees want to work each day and manages our employees' excellent compensation and benefits package that helps retain our talented team.
Disrud, Naomi
Naomi Disrud
Communications Manager
Naomi is no stranger to the art of the written word. She oversees a team that provides marketing, technical writing and editing, and communications support to our firm's team in meeting our business development goals.
Joarnt, Heidi
Heidi Joarnt
Senior Communications Specialist
Heidi can capture and tell the story of a project through visuals alone. With expertise in marketing and public relations, Heidi serves as the companywide lead and point-of-contact for advertising and marketing campaigns, website and social media content, newsletters and brochures, and media outreach.
Barth, Josh
Josh Barth
IT Manager
Josh leads an IT team of experts that assists employees' day-to-day IT needs as well as maintains the network and security infrastructures.