Dan Greenberg

Seasoned fractional executive and angel investor: Dan operates Greenberg Professional Services as a fractional COO/CBDO and advisor to early-stage B2B companies, and he is an active angel investor who frequently helps portfolio companies with commercial strategy and early customer wins. greenberg+1

Technical and product background rooted in engineering and large‑company product commercialization: his academic training (UPenn BSE; Caltech MS; MIT Sloan MBA) and multi-year IBM product/offering roles (digital video, Cell Broadband Engine, Power offerings) underpin strengths in translating technical platforms into market offerings. magnomer+1

Advisor and board‑level experience with hardware and sustainability startups: listed advisory roles (e.g., Magnomer) and repeated advisor/mentor posts show he helps companies with commercialization and scaling strategies across hardware and software domains. magnomer+1

Go‑to‑market and business development focus: multiple titles and engagements (Impossible Software VP North America, Textician business executive, business development consulting) indicate repeated responsibility for early sales, partnerships, and missionary deals that establish initial revenue streams. crunchbase+1