Michael Walrath
Angel Investor @ Marker
New York, United States
Michael Walrath is a Chairman and CEO at Yext. Michael previously worked at moat.com as a Chairman. He attended the University of Richmond.
- Total investments:
- 17
- Last investment:
- Lead investor:
- 12%
Last updated:
For AI agents: llms.txt
Industries Michael Walrath invests in
Stages Michael Walrath invests in
Countries Michael Walrath invests in
Round sizes
Contacts
| Type | Contact | Validation |
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| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $1.6M–$47M
- Series A
- $600k–$12M
Investment Focus
Industry
- Software 5 (29%)
- SaaS 3 (18%)
- Advertising 3 (18%)
- Enterprise Software 3 (18%)
- Internet 2 (12%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Whoosh develops modern club operations software to help private clubs manage everything from the course to the clubhouse. Built with the input of the world's best operators, Whoosh streamlines operations, improves member and staff communication, and enables better hospitality and member experiences. | $10.3M / Series A / Jun 06, 2024 | ||
| Antithesis develops QA software that revolutionizes the way software testing is performed. At Antithesis, the company wants to bring the confidence and productivity benefits of autonomous testing to your team. It has developed a platform that searches for bugs in your software, in a controlled environment where all bugs are reproducible. Its firstoffering finds fault tolerance bugs: failures of the software that occur under specific network, hardware, or timing conditions. | $47M / Seed / Feb 13, 2024 | ||
| TimescaleDB is an open-source time-series database optimized for fast ingest and complex queries. TimescaleDB is engineered up from PostgreSQL (packaged as an extension) and yet scales to 100+ billion rows even on a single server. It natively supports standard SQL and the features you expect from a relational database. The company isheadquartered in New York City with a globally distributed team. | $12.4M / Series A / Jan 24, 2018 | ||
| Confide is a messaging platform that relies on public and private encryption keys to keep messages secret while they’re in transit. With encrypted, self-destructing, and screenshot-proof messages, Confide gives users the comfort of knowing that their private communication will now truly stay that way. | $1.6M / Seed / Mar 10, 2016 | ||
| Founded in 2015, Pypestream created the Customer Engagement Center (CEC), a next-gen conversational AI solution that rapidly transforms any business into a fully automated digital brand. Having developed seven ground-breaking automation patents in channel-based communications, Pypestream has quickly become the leader in the fast-growing enterpriseAI space. With its headquarters in New York, Pypestream is expanding globally and has a customer base of Fortune 500 companies, including Shell, Chase, Procter & Gamble, Google, Sling, and HBO Max. Pypestream is continually innovating customer engagement in several key industries, including Streaming and Wireless, Insurance, Healthcare, Travel, eCommerce, and Financial Services.Pypestream is dedicated to ushering companies into the digital era and making every one of their customers, a customer for life. | $2M / Seed / Oct 07, 2015 | ||
| Yext is a knowledge engine platform that helps brands deliver official answers to consumer questions. The platform helps businesses manage all of the public facts that they want consumers to know across the digital ecosystem. It also provides precise, accurate, and current answers to location-based queries that are conducted across the web andmobile applications and voice and AI engines.It was founded in 2006 and is headquartered in New York. | $50.3M / Series F / Jun 04, 2014 | ||
| Confide is a messaging platform that relies on public and private encryption keys to keep messages secret while they’re in transit. With encrypted, self-destructing, and screenshot-proof messages, Confide gives users the comfort of knowing that their private communication will now truly stay that way. | $1.9M / Seed / Feb 04, 2014 | ||
| MParticle is a customer data platform for brands to accelerate growth. With MParticle, brands can unify data and simplify partner integrations with enterprise-class security and reliability. It improves marketing, advertising, and analytics by connecting data seamlessly across channels.Sophisticated marketers at companies like Walmart, Starwood,NBC Universal, Spotify, and Airbnb use MParticle to integrate and orchestrate their entire growth stack, allowing them to win in key moments of the customers' journey. It was recognized as one of Crain’s 100 Best Places to Work in New York City and named a “Vendor to Watch” in Gartner’s 2017 Digital Marketing Hubs Magic Quadrant report.MParticle is headquartered in New York City with offices in San Francisco, Seattle, Florida, and London. | $3M / Seed / Oct 15, 2013 | ||
| Guest of a Guest is a digital media company that celebrates and serves society's cultural influencers through its curated social calendar, event photography services and editorial coverage. With offices in New York, L.A., D.C., Miami, the Hamptons, and Global events coverage, Guest of a Guest is building one of the largest searchable photodirectories of both celebrities and non-celebrity guests at events."GofG is redefining what it means to be famous." | $560K / Debt Financing / Aug 27, 2013 | ||
| Moat is a free search engine for display ads. Moat also offers heatmap analytics and resources for creative.Online ads tend to be transient: visible one second and gone the next. Whether you want to see the ads from a particular brand, discover new advertisers, or get inspiration from innovative creative campaigns, the need for a centralized adsearch is evident. Enter: Moat.Moat Ad Search is a search engine that focuses entirely on ads instead of other kinds of online content. Similar to traditional search engines, its results are compiled using a web crawler that is specifically tuned to look for ads on the web and index them for later retrieval. Moat also accepts submissions from advertisers and agencies that wish to have their ads included. | $12M / Series B / Apr 23, 2012 | ||
| See all 17 investments → | |||
Co-Investors
About Marker
Marker is a venture capital and growth equity firm with an exceptional track record and a truly global perspective. The company's mission is to help promising companies develop into great companies and great companies into enduring market leaders. Their mandate is to partner with dynamic management teams and invest in businesses with highgrowth and market leadership potential.Marker was established in 2011 and is headquartered in New York, United States.
Marker Contacts
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Aravind Bharadwaj
Senior Associate
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Clayton Prugh
General Counsel
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Daniel Rochkind
COO/CFO
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Jenna Tarantino
Administrative Assistant
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Meg Floyd- Jones
Records Management and office Manager
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FAQ
What does Michael Walrath invest in?
Michael Walrath invests primarily in Software, SaaS and Advertising startups, most often at Seed and Series A stage. Most of the 17 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Michael Walrath's check size?
Michael Walrath typically joins rounds of $1.6M–$47M at Seed and $600k–$12M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Michael Walrath participates in.
How do I contact Michael Walrath?
Public channels for Michael Walrath include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did Michael Walrath last invest?
The most recent investment recorded for Michael Walrath closed in Jun 2024. Shizune tracks 17 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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