Real Startup Help from Someone Who’s Lived It
At TeleSign, we grew from zero to over $100 million in revenue and a $330 million acquisition, closing deals with 18 of the 25 most trafficked internet companies.
I know what it takes to lead through growth, make the right calls, and create long-term value.
Now I work with founders ready to take what they’ve built to the next level—with strategic insight, clear direction, and a partner who’s ready to roll up their sleeves.
No theory. Just real experience, real strategy, and a partner who’s all in.
I’ve built, scaled, and exited.
Whether you’re hiring your first exec, weighing two high-stakes options, or figuring out how to scale what’s working—I’m there to help you move fast and make it count.
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This is about practical strategy, smart execution, and having someone in your corner who’s done it before.
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I work directly with founders to sharpen decisions, prioritize what matters, and keep the company moving.
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What You Can Expect When We Work Together
Don't take My word for it
"Darren has been an invaluable sounding board for our company. His insights into scaling early-stage businesses, navigating partnerships, and thinking strategically about growth have directly influenced how we operate. He has a rare ability to combine sharp business acumen with practical, actionable advice— exactly what a founder needs."
Josh Grischkan MD, JD -Founder of Viya MD
"Darren was a great sounding board as we incubated and gestated the idea of Open Sesame in the early stages. He provided strategic guidance on the focus of the business and important strategic introductions in the telecom sector."
Julian McCrea-Founder of Open Sesame
I turned a 15-year “overnight success” into a $330M exit. It was tough. I made a ton of mistakes and learned a lot of lessons the hard way. We won—but we could’ve been bigger. We could’ve been better.
Since selling TeleSign, I was named USC Alumni Entrepreneur of the Year and have spent the last six years working with founders at USC’s Viterbi Startup Garage—helping early-stage teams push through the hardest parts of building.