Many engineers graduate from their studies and head out into the workforce, seeking a paycheck and a project at some existing company or other. Often, it’s not long before an experienced engineer begins to contemplate striking out on their own, working as a skilled gun-for-hire that makes their own money and their own hours.
It’s a daunting leap, but with the promise of rich rewards for those that stick the landing. That very leap is one that our own Dave Rowntree made. He came to Supercon 2024 to tell us what the journey was like, and how he wound up working on some very special shoes.
The Journey
Dave’s talk begins right at the start of his career. He graduated from college around the turn of the millenium, and headed right into to the big game. He landed a job at Phillips Semiconductors, and dived into what was then a rapidly-developing field—digital television! He quickly learned a great deal about embedded programming, but found the actual electronics skills he’d picked up during his studies weren’t being put to much use. Sadly, redundancies struck his company, and he was forced to pivot to stick around. A spot opened up in the IC test and manufacturing support group, and he jumped in there, before later decamping to a fabless semiconductor company as a test engineer. He then used his education and experience to leverage a leap into the design side of things, which brought the benefit of allowing him to join the royalty program.
Things were on the up for Dave, right until the redundancy train came around once again. The inconvenience, combined with a lack of jobs in his field in the UK, pushed him to consider a major lifestyle change. He’d strike out on his own.
Early on in his consulting and prototyping career, Dave found himself type cast as “the PCB guy.”
At this time, he explains how he tangled with the many challenges involved in working for one’s self. Not least of which, the difficulty of actually establishing a functional business in the UK, from bureaucratic red tape to handling the necessary marketing and financials.
He found his first jobs by working with so-called “innovation companies”—which provide services to those looking for design help to bring their ideas to life. These companies generally lacked engineering staff, so Dave’s services proved valuable to this specific market. It provided Dave some income, but came with a problem. After several years, he realized he had no public portfolio of work, because everything he’d worked on was under a non-disclosure agreement of some form or other.
He’s currently engaged in research and development of airbag-equipped shoes that could theoretically protect against ankle injuries.
Eventually, he realized he’d ended up in a “box.” He’d become “the PCB guy,” finding his work stagnating despite having such a broad and underexploited skillset. This didn’t sit right, and it was time for change once again. “I’m just thinking I don’t want to be a PCB guy,” Dave explains. “I want to do it all.” Thus was born his push into new fields. He built an arcade machine, art installations, and kept working to push himself out of his comfort zone.
Eventually, something exciting came down the line that really inspired him. “Some guys wanted me to build something, and it was totally oddball,” he says. “They wanted me to put an airbag in a basketball shoe.” The concept was simple enough—the airbag was intended to deploy to protect the wearer if excessive ankle roll was detected. Building the shoe in real life would be the perfect opportunity for him to stretch his abilities.
Despite his initial misgivings around the idea of putting explosives in shoes, the team behind the idea were able to twist Dave’s arm. “If I want to break out of the box of being just a PCB guy, maybe this is it,” he thought. “Why the hell not!”
While Dave’s engineering training didn’t focus a whole lot on feet, he’s been learning a great deal of late as he produces his own custom podiatric force sensors.
The rest of Dave’s talk covers how the project came to break him out of his design funk, and how he’s tackling the difficult engineering problems involved. Even more joyously, he’s able to talk openly about it since there’s no NDA involved. He compares plans to use pyrotechnic devices versus stored gas systems, tears down commercial shoes for research, and even his journey into the world of scanning feet and making his own force sensors. As much as he was leveraging his existing skill base, he’s also been expanding it rapidly to meet the new challenges of a truly wild shoe project.
Dave’s talk is an inspiring walk through how he developed a compelling and satisfying engineering career without just going by the book. It’s also an enjoyable insight into the world of weird airbag shoes that sound too fantastical to exist. If you’ve ever thought about leaving the career world behind and going out on your own, Dave’s story is a great one to study.
This articles is written by : Nermeen Nabil Khear Abdelmalak
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