
Before marketplaces became a default business model, Peter Ostrow was turning product specifications, federal rules and sales logistics into an online buying system. His career is a study in making complicated markets usable.

From Sears catalogs to industrial e-commerce, Nicole Westenberger has spent a career following the customer across channels - and teaching century-old businesses to do the same.

A delayed carton of milk exposed a much larger problem. Ismael Belkhayat and Sophia Alj built Chari around the daily friction of Morocco's neighborhood shops - then followed the transaction trail from stock orders to payments.

A mining-equipment veteran saw six-inch manuals become obsolete before the machines got dirty. Her answer was to make the industrial aftermarket searchable, shoppable, and considerably less mysterious.

At Brault & Bouthillier, Lucie Boivin is joining two difficult jobs: choosing learning tools that survive real classrooms, and rebuilding the buying experience around how educators actually work.

After helping turn Uber Eats from an experiment into an everyday habit, Bowie Cheung went upstream. At Pepper, he is building software for the independent distributors who keep restaurants supplied - one voicemail, catalog and paper check at a time.

Divyaanshu Makkar is the co-founder and CEO of WizCommerce, an AI-powered B2B commerce platform that helps wholesalers, distributors, and manufacturers digitize their end-to-end sales. An IIT Delhi engineer with an MBA from UC Berkeley's Haas School of Business, he moved from management consulting at EY-Parthenon to venture investing at Bessemer Venture Partners before building his own company. WizCommerce serves 100-plus customers with more than 700 sales reps and 300,000 buyers, and raised an $8M Series A led by Peak XV Partners in 2025. Makkar was named to the Forbes 30 Under 30 list in 2023.
Arnold Engel is the co-founder and CEO of Tundra, a zero-commission wholesale marketplace he started in 2017 with his wife Katie Engel after years running a global supply chain company. A Dartmouth economics graduate and former McKinsey consultant, Engel built Tundra to hand independent retailers the same buying power as big-box giants - no transaction fees, no markups, free shipping. The platform grew to more than two million ready-to-ship products and over 30,000 retailers, raising about $42 million across rounds including a $26M Series B led by Emergence Capital in 2021.