MEET OUR TEAM OF SPECIALISTS

Joint development and testing is all we do, so you can rest easy knowing that our team of experts does it better than anyone. You shouldn’t have to consume the time of your engineering and problem-solving functional areas to joint development and testing when they should be focusing on other things. The experts at Peak can take care of your requirements quickly, definitively, and cost-effectively.

Bill Derry : President

Bill Derry

President

25 years in the industry, 43 years in all aspects of fastener engineering, manufacturing, quality, marketing

bderry@PiEng.com
John Medcalf : Principal Engineer

John Medcalf

Principal Engineer

John Medcalf is the Principal Engineer of Peak innovations Engineering. His educational background includes a Bachelors and a Master’s degree from Northern Illinois University and the University of Illinois in Mechanical Engineering along with certificates in business management for engineers and materials failure analysis.

John started in the fastener industry in 2009, and has since held positions in quality, engineering and engineering management.  He is actively involved in fastener standardization through the ASME, ASTM International, and ISO fastener standards committees, chairing the ASME B18.16 subcommittee on nuts and the ASTM F16.97 subcommittee on coordination with the North American technical advisory groups to ISO.  His thesis work on hydrogen embrittlement of case hardened fasteners has helped advance the knowledge of the phenomenon within the industry and influenced relevant standards.  His work has taken him across North America, Europe, and Asia interacting with fastener customers and suppliers.  In 2014 he was recognized as one of the fastener industry’s “30 Under 30” for providing significant impacts within his company and the fastener industry.

jmedcalf@PiEng.com
Mark Lewis : Market Development Leader

Mark Lewis

Market Development Leader

Mark works as the Market Development Lead.  He graduated with his Bachelor's Degree in Business Management from Cardinal Stritch University.  Mark has been with Peak since 2019 and will be overseeing the growth of Peak through sales, marketing, and relationship building.  Mark has over 26 years of experience in operational excellence.

mlewis@PiEng.com
William Dean : Test Engineer

William Dean

Test Engineer

William works as a Test Engineer.  He graduated with his Bachelor's Degree in Mechanical Engineering from Northern Illinois University.  William has been with Peak since 2019.  William's past engineering experience includes 3+ years of working as an Application Engineer on standard, modified standard, and custom engineered gearboxes.

wdean@PiEng.com
Dan Lewis-Rzeszutek : Engineering Test Technician

Dan Lewis-Rzeszutek

Engineering Test Technician

Dan works as an Engineering Test Technician.  He graduated with his Bachelor's Degree in Mechanical Engineering from the University of Alabama in Huntsville.  Dan has been with Peak since 2016.  Dan's past engineering experience includes 3+ years of working as an Application Engineer on Industrial Diesel Engines.

Adam Gerber : Engineering Test Technician

Adam Gerber

Engineering Test Technician

Adam has worked as an Engineering Test Technician at PEAK since 2017.  He graduated from Nashville Auto-Diesel College in 2005 with a diploma in Auto and Diesel technologies and is currently working towards an Associates of Engineering degree.  His past experiences include 5 years as a Journeyman Diesel Technician and 6 years as an Engineering Test Lab Technician in the On/Off Highway Automotive HVAC field.

agerber@PiEng.com
Steve Hertig : Engineering Test Technician

Steve Hertig

Engineering Test Technician

Steve has worked as an Engineering Test Technician at PEAK since 2018.  He brings over 20 years of experience in the manufacturing and quality industry, with 13 of those years testing applications.

shertig@PiEng.com
Dan Heck : Engineering Test Technician

Dan Heck

Engineering Test Technician

dheck@PiEng.com