Our History

JDRM Engineering, Inc. was formed in 1995 with the merger of principals, staff, and business interests of separate mechanical and electrical consulting engineering firms.  Those separate consulting engineering firms had a close history of collaborating on projects since 1959 and the four founding principals began working together in 1976.

Many of our senior personnel have been in the design industry since the 1970s.  The partners’ years of design experience contributes a solid base of knowledge to support a staff organized to furnish complete and quality design engineering for the construction industry.

JDRM’s Engineering Evolution


In founding of JDRM Engineering, Inc., the partners made provisions for the business to evolve from their ownership to that of the leadership they would develop and nurture within the firm. A minimum of four senior partners are to be in a majority ownership role. Leadership is further supported by a group of minority or “junior” partners and associates.


Leadership development is further defined with the Partners supported by a select group of Associates including Walt Diener, Margie Kayser, Gerry Katafiasz, George Meredith, Keith Sturton and Rolin York.


Management Team Partners added: Darren Keil, Art Myerholtz, and Jeff Stringham. Jeff Feasby and Tom Gerken named Associates.


The evolution process was first tested by the unfortunate death of Gary Driftmyer. On Mother’s Day 2003 Gary was involved in an automobile accident which claimed his life.


True to the firms’ founding vision of continuity, Darren Keil was named to partnership in 2004 and Bob Kalb joined the Management Team. Dave Desjardins, Doug Hohman, Chris Lockett and Ken Rahman become Associates.


Andy Juette named an Associate.


Larry Juette acted on the cornerstone evolutionary principle when he stepped aside from his leadership and ownership roles.  His continued active involvement in the firm is greatly appreciated.

Steve Morris begins serving as President of JDRM Engineering.

Jeff Stringham named Senior Partner.


Roger DeBelly and Steve Wheeler become Associates.


Alison Staudinger named an Associate.


Dave Desjardins, Ken Rahman and Roger DeBelly become Partners.


Bob Kalb became the second person to transition from his ownership role in the firm and he remains an active, valued employee of JDRM Engineering.


JDRM Engineering was saddened by the untimely loss of our partner Ken Rahman.

Alison Staudinger and Doug Hohman accepted ownership roles and became Partners. Steve Wheeler was named Department Manager to lead the Technology Group.  New associates were named: Chad Greiner, Andrew Mickens and Mike Thompson.

Steve Morris, P.E.; Darren Keil, P.E.; Jeff Stringham, P.E.; Dan Rosenberger

JDRM Engineering Senior Partners (December 2014)
Standing (L-R): Steve Morris, Darren Keil, Jeff Stringham. Seated: Dan Rosenberger

At the close of 2014, founding partner Dan Rosenberger retired per the evolutionary process. He is the first of the partners to pass on his ownership role and retire at the same time.


Dave Desjardins and Roger DeBelly named Senior Partners.


Three new Associates named:  Tom Rawlings, RCDD, ESS,  Matt Steffin and Matt Rasey, P.E.


We salute Steve Morris — the “M” in JDRM — who stepped down from leadership and ownership roles at the end of 2016. Throughout 2017 Steve worked to complete ongoing projects while continuing to mentor the newly structured management team:

Roger DeBelly, P.E., RCDD – President
Darren Keil, P.E. – Vice President, Electrical
Doug Hohman, P.E., LEED AP – Vice President, Mechanical
Dave Desjardins, P.E., LEED AP – Secretary
Jeff Stringham – Treasurer
Alison Staudinger P.E., LEED AP BD+C – Partner
Art Myerholtz, P.E. – Partner

Click here for an overview of the JDRM Engineering Leadership Team

Our evolution will continue as we serve your mechanical, electrical and technology consulting engineering needs.