# Mark Leslie: angel investments and portfolio > Mark Leslie is an angel based in United States. 19 investments on record, 1 in the last 12 months, latest Mar 2026. Portfolio, stages, co-investors and team. Source: https://millionrounds.com/fund/mark-leslie (Millionrounds; every figure on the page links to its filing or article) United States · [Investor](https://millionrounds.com/investors) # Mark Leslie Last cheque observed Mar 2026; 19 cheques on record. Email Angel Deploying now Seed Follow Mark Leslie and see its new cheques in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Ffund%2Fmark-leslie) Deploying now **100%** of best year **1** **cheques in 12 months**, 19 on record Since the last cheque **241** days **00** hrs **00** min **00** sec Median round **$58M** Rounds led **0 of 19** Mostly in **United States, 88%** Pitch Mark Leslie ## Mark Leslie highlights - 01 1 cheques in the last 12 months - 02 Mostly Seed and Series A: 67% of its rounds ## What they do - **Type:** Angel (from a list, unverified) - **Cheque size:** Not stated - **Stages:** Seed - **Based in:** United States - **Cold pitches:** Not stated ## The record Every round we can evidence, newest first **19 appearances** - **2026** 1 round - **Mar** **[AMI Labs](https://millionrounds.com/company/ami-labs)** FR · TechCrunch **$1.0B** With 24 others - **2022** 1 round - **Jul** **AI21 Labs** Series B · IL · Ahren Innovation Capital **$64M** With 5 others - **2019** 2 rounds - **Nov** **[Nines](https://millionrounds.com/company/nines)** Series A · US · FinSMEs **$17M** With 3 others - **Aug** **[Clumio](https://millionrounds.com/company/clumio)** US · FinSMEs **$51M** With 2 others - **2016** 2 rounds - **Nov** **[Gusto](https://millionrounds.com/company/gusto)** **$90M** With 103 others - **Jan** **[ThoughtSpot](https://millionrounds.com/company/thoughtspot)** **$50M** With 9 others - **2015** 2 rounds - **Jun** **[Minio, Inc.](https://millionrounds.com/company/minio-inc)** Seed · US **$3.3M** With 9 others - **Jan** **[The League](https://millionrounds.com/company/the-league)** Seed · US **$2.1M** With 12 others - **2014** 2 rounds - **Aug** **[PernixData](https://millionrounds.com/company/pernixdata)** Series C · US **$35M** With 8 others - **Jun** **[Pinrose](https://millionrounds.com/company/pinrose)** Seed · US **$1.8M** With 5 others - **2013** 2 rounds - **Aug** **[CloudPhysics](https://millionrounds.com/company/cloudphysics)** Series B · US · techcrunch.com **$10M** With 4 others - **May** **[PernixData](https://millionrounds.com/company/pernixdata)** Series B · US · forbes.com **$20M** With 4 others - **2012** 2 rounds - **Dec** **[Gusto](https://millionrounds.com/company/gusto)** Seed · US · techcrunch.com **$6.1M** With 25 others - **Jan** **[PernixData](https://millionrounds.com/company/pernixdata)** Series A · US · venturebeat.com **$7.0M** With 3 others - **2011** 1 round - **Mar** **[HealthTap](https://millionrounds.com/company/healthtap)** Seed · US · techcrunch.com **$2.4M** With 4 others - **2010** 2 rounds - **Jul** **[Big Switch Networks](https://millionrounds.com/company/big-switch-networks)** Seed · US **$1.5M** With 4 others - **Jan** **[HealthTap](https://millionrounds.com/company/healthtap)** Seed · US **Undisclosed** With 7 others - **2008** 1 round - **May** **[Oportun](https://millionrounds.com/company/oportun)** Series C · US **$11M** With 6 others - **2007** 1 round - **Jan** **[db4objects](https://millionrounds.com/company/db4objects)** Series A · US **Undisclosed** With 4 others An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor. ## The team We hold **1** person at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them. ## The cheque Seed Median round joined **$58M** the round, not its cheque Led 0 of 19 rounds **0%** - **Sole investor:** Never alone - **Last cheque:** Mar 2026 Rounds by stage said on their site - Seed said *7* - Series A *3* - Series B *3* - Series C *2* Cheques by month Led Joined Dec 2023 Nov 2026 Often in the room with - [Kleiner Perkins Caufield & Byers](https://millionrounds.com/fund/kleiner-perkins-caufield-and-byers) 4 - [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) 4 - [General Catalyst](https://millionrounds.com/fund/general-catalyst) 3 - [Index Ventures](https://millionrounds.com/fund/index-ventures) 3 - [John Thompson](https://millionrounds.com/fund/john-thompson) 3 - [Lane Bess](https://millionrounds.com/fund/lane-bess) 3 **Pitching Mark Leslie?** Put them on your fundraising board with this record on the card, and follow them to hear when they write a new cheque. Add to your CRM *→* ## Who they invest alongside The investors most often in the same rounds as Mark Leslie. A count of rooms they were both in, not a relationship either has claimed. [**Kleiner Perkins Caufield & Byers** VC firm **4** rounds together](https://millionrounds.com/fund/kleiner-perkins-caufield-and-byers)[**Lightspeed Venture Partners** VC firm **4** rounds together](https://millionrounds.com/fund/lightspeed-venture-partners)[**General Catalyst** VC firm **3** rounds together](https://millionrounds.com/fund/general-catalyst)[**Index Ventures** VC firm **3** rounds together](https://millionrounds.com/fund/index-ventures)[**John Thompson** Angel **3** rounds together](https://millionrounds.com/fund/john-thompson)[**Lane Bess** Angel **3** rounds together](https://millionrounds.com/fund/lane-bess)[**Aaron Levie** VC firm **2** rounds together](https://millionrounds.com/fund/aaron-levie)[**Aaron Patzer** VC firm **2** rounds together](https://millionrounds.com/fund/aaron-patzer)[**Bling Capital** VC firm **2** rounds together](https://millionrounds.com/fund/bling-capital)[**Cota Capital** VC firm **2** rounds together](https://millionrounds.com/fund/cota-capital)[**DCVC** VC firm **2** rounds together](https://millionrounds.com/fund/data-collective)[**Dan Rose** Angel **2** rounds together](https://millionrounds.com/fund/dan-rose) ## Recently backed The latest companies Mark Leslie put money into. [**Nines** $17M · Nov 2019](https://millionrounds.com/company/nines)[**Clumio** $51M · Aug 2019](https://millionrounds.com/company/clumio)[**Gusto** $90M · Nov 2016](https://millionrounds.com/company/gusto)[**ThoughtSpot** $50M · Jan 2016](https://millionrounds.com/company/thoughtspot) ## On podcasts 2 episodes naming Mark Leslie in the title, and 3 more that mention it. - [Pattern Breakers](https://millionrounds.com/podcasts/pattern-breakers) 22 Aug 2022 · 37 min Mark Leslie: Silicon Valley Go-to-Market Legend (Part 2) Mentions [Mark Leslie](https://millionrounds.com/fund/mark-leslie) Apple PodcastsShow page - [Pattern Breakers](https://millionrounds.com/podcasts/pattern-breakers) 1 Aug 2022 · 46 min Mark Leslie: Silicon Valley Go-to-Market Legend (Part 1) Mentions [Mark Leslie](https://millionrounds.com/fund/mark-leslie) Apple PodcastsShow page ### Mentioned in - [Pattern Breakers](https://millionrounds.com/podcasts/pattern-breakers) 22 Aug 2022 · 12 min Breakthrough Lessons: Leslie’s Compass Apple PodcastsShow page - [Pattern Breakers](https://millionrounds.com/podcasts/pattern-breakers) 1 Aug 2022 · 12 min Breakthrough Lessons: The Sales Learning Curve Apple PodcastsShow page - [The a16z Show](https://millionrounds.com/podcasts/a16z) 30 Jan 2019 · 27 min a16z Podcast: Stories and Lessons in Enterprise Sales Apple PodcastsShow page ## Quick answers about Mark Leslie ### What does Mark Leslie invest in? Mark Leslie invests most often at Seed and Series A (67% of the rounds on record). ### How active is Mark Leslie? 19 investments on record, 1 of them in the last 12 months. The most recent was in Mar 2026. ### What has Mark Leslie invested in recently? Its most recent investments on record: AMI Labs (Undisclosed round, Mar 2026), AI21 Labs (Series B, Jul 2022) and Nines (Series A, Nov 2019). ### How big are Mark Leslie's cheques? The median round it joins is $58M. ### Does Mark Leslie lead rounds? Rarely, if at all: none of its 19 investments on record names it as the lead. ### Where does Mark Leslie invest? Most of the companies it backs are in the United States (88%), France (6%) and Israel (6%). ### Is Mark Leslie investing now? Yes: it is actively investing, with 1 investments in the last 12 months. ### Who does Mark Leslie invest alongside? Most often Kleiner Perkins Caufield & Byers (4 rounds together), Lightspeed Venture Partners (4 rounds together) and General Catalyst (3 rounds together). ## Raising now? Find the investors who back rounds like yours, and keep every conversation on one fundraising board. Find similar investorsOpen your CRM Built from the rounds we watched, its filings and its own website, refreshed every night. [How we count](https://millionrounds.com/methodology) · [Report a correction](https://millionrounds.com/corrections?slug=mark-leslie) · [Is this your firm? Claim it](https://millionrounds.com/claim?org=mark-leslie)