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Sam Gerstenzang
Entrepreneur and Tech Executive
Sam Gerstenzang is a co-founder of Moxie, a company that provides a comprehensive "business-in-a-box" solution for nurses looking to start their own medical spas. Founded in June 2022 alongside Dan Friedman, Moxie aims to simplify the process of launching a med spa by offering essential services and tools, allowing practitioners to focus on patient care rather than administrative tasks. Under their model, med spas can open at a significantly reduced cost compared to industry standards, with many owners achieving comparable earnings to full-time nurses while working fewer hours.13
Before co-founding Moxie, Gerstenzang held significant roles in various tech and startup environments. He was a Senior Product Director at Stripe, where he led a large team and contributed to the development of several high-impact payment products. Additionally, he co-founded Umbrella, a startup acquired by IAC/ANGI, and worked at Sidewalk Labs, an Alphabet company focused on urban innovation.23 Gerstenzang's educational background includes studies at Stanford University, which has contributed to his expertise in product development and entrepreneurship.2
Highlights
My aunt gifted me her old iBook G3 in 2003. It changed my life. It changed the way I wrote and thought - with dyslexia, spellcheck and the ability to endlessly restructure a paragraph elevated me. It changed my social life - I found friends online in phpBB forums from across the world who made me both feel connected to a community and introduced me to new ideas.
I became obsessed. When I'd call Apple (Macs seemed to break a lot more often back then), I'd often be asked if I worked there because I knew all the secret menus. At school, on the keynote days, I'd try to sneak away to watch it. I dressed as Steve Jobs for Halloween when I was 14. I bought the original iPhone in 2007 with the money I had saved - I remember breathing a sigh of relief when they lowered the price months later and retroactively refunded the difference.
It was the original promise of the Mac as a tool for creators: I was writing online, editing short movies with iMovie I'd premiere with my family (doing 2nd and 3rd cuts based on their feedback), writing PHP I'd upload with Cyberduck, spent hours tweaking Flash animations. I made my first dollars with my Mac.
Happy 50 years, Apple.

I don’t think people realize how many of these Chinese technologies are essentially demos.
If you’ve ever spent $4 to be driven an hour through motorbike traffic that would make a Waymo cry, you know the limited utility of self-driving cars.
The extraordinarily impressive tech demos are mostly that. On the other hand there are real innovations that could easily be adopted elsewhere. You can use Didi to request a designated driver to drive you back in your car after drink. And you can order food from another restaurant to the one you’re currently sitting in by sharing your table number.


