Meet Our Team

Lou Juhlmann, RRC, REWC
Lou Juhlmann, RRC, REWCPresident
Lou joined RCL in 1992, and became President in 2005. Roofing Consultants, Ltd. has grown from a one-person company to a full staff…
Read Full Bio

Engineers / Architects

Jacob Bartels, RRO, CDT
Jacob Bartels, RRO, CDTArchitectural Consultant
Jacob has been in the building industry since 2017 and started working for RCL in 2020. He earned his Master of Architecture…
Read Full Bio
Mike Berkey, SE, PE
Mike Berkey, SE, PEStructural Engineer
Good design is an investment that pays off during construction. Just as a sharp axe makes the work of chopping easier, a well-designed…
Read Full Bio
Arick Groth, PE
Arick Groth, PEProfessional Engineer
Having joined RCL in 2009, Arick Groth is one of RCL’s most detail-oriented engineers. Specializing in consulting services…
Read Full Bio
Josh Harris, PE
Josh Harris, PEProfessional Engineer
Josh Harris has worked in the industry since 2010. Josh graduated from Michigan Technology University with a Bachelor of Science in…
Read Full Bio
Benjamin R. Hoppe, EIT
Benjamin R. Hoppe, EITEngineering Assistant
It was in high school that engineering first piqued Ben’s interest. After doing a job shadow in his hometown of Hibbing, MN, Ben decided…
Read Full Bio
Christopher Helenowski, PE, RRO
Christopher Helenowski, PE, RROProfessional Engineer
Christopher is both a Licensed Illinois Professional Engineer and an IIBEC Registered Roof Observer. He has an educational background in Agricultural…
Read Full Bio
Alan Kyro, PE
Alan Kyro, PEProfessional Engineer & Construction Specialist
Alan Kyro is a Senior Engineer and Construction Specialist with RCL. With RCL since 2017 – Alan has decades of experience in the industry…
Read Full Bio
Jake Peterson, PE
Jake Peterson, PEProfessional Engineer
Jake Peterson excels at understanding complex projects and solving highly technical problems. He also very much enjoys…
Read Full Bio
Margaret K. Pinkous, AIA, BECxP, CxA+BE, CDT
Margaret K. Pinkous, AIA, BECxP, CxA+BE, CDTRegional Director
Maggie gets joy from bringing new life to buildings that are not functioning properly. She thrives on identifying the issues at hand…
Read Full Bio
Michael Richards
Michael RichardsSenior Architectural Consultant
Michael has been in the architecture and construction industry for 20+ years. He earned his Bachelor of Architecture and Master…
Read Full Bio
Jill TeStrake
Jill TeStrakeSenior Architectural Consultant
Jill looks at architectural design like a puzzle. She enjoys thinking through the various components until a clean, logical…
Read Full Bio
Randy Tufts, PE
Randy Tufts, PEProfessional Engineer
Randy holds a Masters of Science degree in Geological Engineering and brings more than 20 years of experience to his role…
Read Full Bio
Eduardo Vega
Eduardo VegaArchitectural Intern
Eduardo Vega has been in the building industry since 2011. He started his architectural career in San Germán,…
Read Full Bio
Cintia Lijerón-Williams, EIT, CDT
Cintia Lijerón-Williams, EIT, CDTEngineering Consultant
As an undergrad and graduate student, Cintia Williams was a Gates Millennium Scholar – one of an elite group of the…
Read Full Bio

Consultants

Chris Eklund
Chris EklundSenior Consultant
Chris is in charge of quality assurance checks at RCL. He investigates roofers’ work to insure everything is perfect…
Read Full Bio
Nicholas A. Gorgen, RRC, REWC, RWC, RBEC, RRO, CIT
Nicholas A. Gorgen, RRC, REWC, RWC, RBEC, RRO, CIT Senior Consultant
RRC, REWC, RWC, RBEC, RRO, CIT

Read Full Bio
Bryan Horvath, BS, RRO
Bryan Horvath, BS, RROSenior Consultant
Bryan Horvath, BS, RRO, has designed and managed the installation of more than $25 million worth of commercial…
Read Full Bio
Jesse Miller
Jesse Miller Senior Consultant
Jesse Miller says if he had to write his own title, instead of Senior Consultant it would be “Estimating Wizard.” There’s a lot of…
Read Full Bio
Dewey Perry
Dewey Perry Senior Consultant
Dewey comes to RCL Engineering with an extensive background in the roofing industry with over thirty years of experience…
Read Full Bio
Jonathan Quindt, RRO
Jonathan Quindt, RROSenior Consultant & Project Manager
When customers talk about Jon Quindt, they usually say things like “great work ethic . . . diligent . . . hard-working . . . conscientious.”…
Read Full Bio
Duane Sawyer
Duane SawyerRegional Manager
In the industry since 1990, Duane Sawyer has been with RCL Engineering Group and Roofing Consultants Ltd. since 2013.
Read Full Bio
Ray Vervlied, RRO
Ray Vervlied, RROSenior Consultant & Project Manager
Ray has chalked up 25 years in the construction industry, and has been with RCL for the past 15 years as a Senior Consultant…
Read Full Bio

Business Development

Rachelle Martini
Rachelle MartiniDirector of Business Development & Client Relations
Rachelle Martini is committed to providing solution driven, quality services in her role as Director of Business Development…
Read Full Bio

Office Staff

Erica Knoll
Erica KnollOffice Manager
Starting her work with RCL as an office assistant, it was only a few years before Erica Knoll was promoted to Office Manager…
Read Full Bio
Denise Manz
Denise ManzAdministrative Assistant
Behind every busy organization is someone who keeps everything running smoothly. At RCL, that’s Denise Manz.
Read Full Bio
Breanna Schmidt
Breanna SchmidtOffice Administrator
As office administrator at RCL, Breanna Schmidt never has the same kind of day twice. She says what drives her in her work is…
Read Full Bio
Rosanna Seyfarth
Rosanna SeyfarthIllinois Office Manager
Although new to the industry, Rosanna brings over 30 years of management experience to her role at RCL, specifically in luxury retail…
Read Full Bio

CADD Artists / Field Assistants

David Broskie
David BroskieCADD Designer
David earned his Bachelor of Science from the University of North Florida where he majored in Mechanical Engineering…
Read Full Bio
Alfredo Gamez
Alfredo GamezCADD Designer & Field Assistant
Alfredo took an interest in drafting when he first took at AutoCAD class in high school. He then followed it up by studying…
Read Full Bio
Tim Goehrke
Tim GoehrkeArchitectural Draftsman & Field Assistant
Tim earned his Bachelor of Science in architecture from the University of Wisconsin-Milwaukee in 2020, where he had his…
Read Full Bio
Mark Grochal
Mark GrochalCADD Designer & Field Assistant
Mark earned an associate in science degree from Moraine Valley Community College in 2022 and his AutoCAD certification in 2018…
Read Full Bio
Christian Haubrich
Christian HaubrichShop Manager, Field Assistant, and CADD Designer
Christian’s alternate job title is “jack of all trades” – and, with three job titles, you can see why. Christian has such a wide range of skills…
Read Full Bio
Vanya Petrova
Vanya PetrovaCADD Designer & Field Assistant
Vanya comes to RCL with an extensive mechanical engineering education and background. She brings significant experience…
Read Full Bio
Rachael Varin
Rachael VarinArchitectural Draftsperson & Field Assistant
Rachael Varin is driven to make sure every detail of her drafting work for RCL clients is
accurate. “My priority is making sure…
Read Full Bio