How Diane Greene built VMware by following ideas sideways

Executive overview

Most entrepreneurs don't find their scalable idea by charging straight at it. They crab-walk toward it, adjusting course as new signals appear.

Diane Greene co-founded VMware — a $7B company that made cloud computing possible — without a master plan. She pursued a big abstract idea (server virtualization), read the competitive field early, and repeatedly pivoted to wherever the real pain was.

The biggest scalable ideas rarely sit ahead of you — they come at you sideways, and your job is to spot and sprint toward them.

Reading signals before competitors arrive

• Bill Gates requesting a blind-review paper was the signal Diane needed to file a patent immediately.
• Sailing in empty space gives time; multiple competitors signals a circular firing squad where none may win.
• Competitive sailing from childhood trained Diane to constantly scan, evaluate, and decide — skills she transferred directly to VMware.
• If you spy a big idea off to one side, rejoice for a millisecond, then sprint.

Finding the first market by chasing pain

• Initial pitch (server savings to IT teams) failed completely — dot-com boom companies had no interest in efficiency.
• First real customers were college science professors — an accidental, unscalable niche.
• The dot-com bust turned the pain dial: struggling companies suddenly needed to cut server costs and came looking.
• The decisive pivot was targeting Linux developers forced to run two machines just to use Outlook — VMware solved that immediately.
• Linux developers were adventurous, technical, and fast-growing; the right early cohort regardless of intent.

Turning early adopters into evangelists

• Sysadmins discovered VMware as a tool for experimenting with operating systems — a use case Diane hadn't planned.
• Sysadmins controlled corporate IT budgets; making them happy created internal champions.
• VMware user conferences became cult events: all-night raves, certification labs, mass passion.
• The pattern: solve a narrow pain point → earn trust → sell the rest of the Swiss Army knife.

Selling a Swiss Army knife

• VMware was always a horizontal platform, useful across dozens of scenarios — Diane called it a Swiss Army knife from day one.
• The mistake most companies make: leading with the full knife. The right move: lead with the one tool the customer needs right now.
• Telling early staff "this technology will run on every computer in the world" maintained team conviction even without a clear path.
• Vision without near-term realism doesn't inspire; both must coexist.

The cloud opportunity — almost taken

• VMware's internal name for their server product was ESX — short for "Elastic Sky," coined well before "cloud" existed.
• The missed pivot: convince developers to write apps directly to virtual machines, removing device and software dependencies entirely.
• Sold VMware to EMC in 2003 for $625M; in hindsight, the cloud market it enabled was far larger.
• Diane later joined Google to lead its cloud division — returning to the sideways idea she had spotted decades earlier.