Ed Sim

Who they are

Ed Sim is Founder and Managing Partner at Boldstart Ventures — started his VC career by answering a newspaper ad, co-founded Dawntreader Ventures in 1998, and has held board seats at Snyk, BigID, and Tessl.

Person

Ed graduated from Harvard College in 1993 — where he played Division 1 lacrosse for four years — then moved into finance as a quantitative trading analyst at J.P. Morgan. He got into venture capital by answering a newspaper ad, co-founding Dawntreader Ventures in 1998, where he racked up early wins with GoToMeeting (acquired by Citrix), Greenplum (acquired by EMC), and LivePerson (IPO). In 2010 he wound that down and started Boldstart Ventures, a seed-stage firm built around the thesis of partnering from day one with technical founders building enterprise software — a sharper, more concentrated version of what he'd been doing for a decade. Alongside Boldstart he co-founded MState, an enterprise blockchain lab built in partnership with IBM, with early investments including Fireblocks. His board portfolio reads like an enterprise-security hall of fame: Snyk, BigID, Blockdaemon, Kustomer, Keycard, and Tessl. He writes at edsim.net on enterprise investing, developer-first strategy, and SaaS founder practices, and has spoken at SaaStr on why early-stage SaaS founders should not sell their own products. Based in Miami, he's a certified ATLS instructor — an unusual credential that hints at how seriously he takes high-stakes, fast-moving decisions.

Network

No direct edges were surfaced in the network probe. Ed's board seats — Snyk, BigID, Tessl, Blockdaemon, Keycard, and Kustomer — make him a consistent presence in enterprise security and infrastructure founder networks. His IBM partnership on MState also links him to large-enterprise technology leadership.

IBM Partnership (MState)· Co-venture partner on enterprise blockchain lab

How they likely show up

Long tenure building Boldstart since 2010 → thinks in fund cycles and decade-long founder relationships, not transactional deal flow.
Started two VC firms from scratch (Dawntreader 1998, Boldstart 2010) → high institutional agency; builds from first principles rather than inheriting a playbook.
Active public writer at edsim.net on enterprise investing and SaaS founder practices → comfortable being visible and opinionated, likely responds well to substantive debate.
Board seats spanning security (Snyk, BigID), infrastructure (Blockdaemon), and AI dev tooling (Tessl) → pattern-matcher across adjacent enterprise categories, not a single-vertical specialist.
ATLS instructor certification alongside a VC career → values applied, high-stakes competence; possibly drawn to founders who can execute under pressure.
Played Division 1 lacrosse at Harvard → competitive team-sport background; likely values discipline and collaborative accountability, not just individual brilliance.

Conversation tips

→ Anchor the conversation in a specific company or category — he's an enterprise pattern-matcher, so 'what do you see across your portfolio on X?' opens him up better than broad market questions.
→ Reference a post from edsim.net if you've read it — he'll notice the homework and it signals you're not there for a generic VC pitch.
→ Ask about Dawntreader-to-Boldstart transition: going from a fund with big exits to starting over in 2010 is a deliberate choice worth understanding.
→ Don't be surprised if he turns the conversation technical fast — his founders are developer-first builders and he tracks the stack closely.

Toolbox

Openers

Open on Tessl — it's one of his current board seats and sits at the intersection of AI and developer tooling, which is exactly where his 'autonomous enterprise' thesis lands right now.
Reference his SaaStr talk on why early SaaS founders shouldn't sell their own products — it's a contrarian take with a specific title, and leading with it signals you've engaged with his actual thinking, not his bio.
Bring up MState and Fireblocks — co-founding an enterprise blockchain lab with IBM and seeding Fireblocks is a genuinely prescient data point, and asking how that bet came together will tell you a lot about how he constructs thesis-driven investments.

Discovery questions

When you started Boldstart in 2010, what did Dawntreader teach you about seed investing that you explicitly decided to do differently?
Your board portfolio runs from Snyk to Blockdaemon to Tessl — how do you think about staying genuinely useful across categories that evolve at different speeds?
You've spoken about why early SaaS founders shouldn't sell their own products — how does that principle hold up now that AI is compressing the time from prototype to revenue?

Avoid

Don't pitch a broad consumer or B2C opportunity — his entire public identity and portfolio is built around technical enterprise founders, and a consumer framing will signal you haven't done the basic research.

Make it yours