Howard Lindzon

Co-founder & CEO, StockTwits

Howard is the co-founder and CEO of StockTwits – a social network for traders and investors to share real-time ideas and information. StockTwits was recently named “one of the top 10 most innovative companies in web” by FastCompany and one of the “50 best websites” by Time magazine. Also, her is the the Managing Partner of SocialLeverage, a holding company that invests in early stage web businesses. In 2006, Howard created Wallstrip which was purchased by CBS Corp. in 2007. Howard is also an active angel with many success investments including: Rent.com, (purchased by Ebay in 2005 for $415 million), Golfnow.com (purchased by Comcast in June 2008), and Lifelock (lead investors include Bessemer Venture Partners and Kleiner Perkins Caufield & Byers). Other investments include: Limos.com, Blogtalkradio.com, BuddyMedia, Ticketfly, Assistly, Bit.ly, Etoro.com, Tubemogul and Tweetdeck (purchased by Twitter).

Content & Articles by Howard Lindzon

Lessons From Building An AI-Native Startup with Octagos Health

In this Mucker Growth Series session, we invited friends from one of our portfolio companies Haley Chute, CPO & CMO, and Harpreet Marwaha, COO & CFO of Octagos Health, to...

How To Craft Your Website Messaging & Positioning as a Startup

In this Mucker Growth Series session, Anthony Pierri, co-founder of FletchPMM, walks through how to craft website messaging and positioning as a startup. FletchPMM is a consultancy that has worked...

2026 New York Tech Week Recap of Mucker Sessions

Mucker Capital went to New York Tech Week to host sessions for founders, operators, and builders thinking through how AI is changing product, growth, and search. Among the sessions were:...

Closing Enterprise Deals in Founder-Led Sales as a Startup

In our recent Mucker Growth Series session, I invited David Mackay, Managing Director at D9Y and one of our operating experts at Mucker, to talk about closing enterprise deals in...

The 10 Security Gaps That Plague Startups Before Their A Round

A NOTE ON SEVERITY Not every item on this list carries the same level of risk. Some are the kind of finding that stops a deal. Others are serious but...

Community-Led Growth for Startups: Why Most Communities Fail and How to Build One That Actually Works

In our recent Mucker Growth Series session, I invited Sam Jacobs — founder and CEO of Pavilion — to talk about community-led growth: what it actually means, why most communities...

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