Karl Jacob
Angel Investor
San Francisco, Mexico
Karl Jacob is a seed investor in San Francisco focused on Mobile and E-Commerce. Karl Jacob is the Founder and CEO of LoanSnap. He was a Founder and CEO at Wallop. He attended the University of Southern California in 1992.
- Total investments:
- 30
- Last investment:
- Lead investor:
- 3%
Last updated:
For AI agents: llms.txt
Industries Karl Jacob invests in
Stages Karl Jacob invests in
Countries Karl Jacob invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $600k–$2.5M
- Angel
- $975k–$1.2M
- Series A
- $6.3M–$23M
Investment Focus
Industry
- Mobile 7 (23%)
- E-Commerce 6 (20%)
- Software 5 (17%)
- Enterprise Software 4 (13%)
- Hardware 3 (10%)
Stage
- Seed 20 (67%)
- Angel 3 (10%)
- Series A 3 (10%)
- Series C 2 (7%)
- Series B 1 (3%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Boomerang is a technology-powered service that collects, stores, and returns lost valuables back to their owners. | $2.8M / Seed / Apr 13, 2022 | ||
| June is a smart oven for your home that makes cooking perfectly easy. June’s mission is to use the power of technology to make cooking perfectly easy for everyone. we make kitchens feel like magic. We’re here to help the world look forward to cooking dinner again (and breakfast, lunch, snacks, and late-night leftovers too) because we love food. Welive for it. So, we wake up every day on a mission to make life taste better. Our team of designers, hardware, and software engineers is committed to transforming the kitchen experience. | $22.5M / Series A / Mar 25, 2016 | ||
| Boost Media is a fastest growing B2B SaaS companies in Silicon Valley, and they are committed to going public. They're hiring across the company in all roles. Join them as they revolutionize the digital advertising industry.They raised their Series A in December of 2012 and their Series B in June of 2013.Boost Media is an enterprisesolution for optimizing ad creative at scale across Search, Social, Display & Mobile.The Company focuses on optimizing for enterprise advertisers and generates substantial improvements in conversions-per-impression for customers. Today, Boost is trusted to drive optimization and insights for over $300 million in advertising spend across networks and premium publisher sites such as Google, Microsoft+Yahoo Bing Ads and Facebook. | $19M / Series C / Nov 18, 2014 | ||
| Boostable provides a cooperative digital advertising solution that enables ecommerce marketplaces, retailers and platforms to offer digital advertising as a service. Boostable offers a revolutionary model where costs, data and resources are strategically shared between companies to efficiently power high-performing digital ad campaigns. Boostable’sleadership team hails from some of the industry’s most well-respected digital advertising organizations including Amazon, Facebook, MediaMath, Turn and Merkle. Boostable is funded by leading investors such as Y Combinator, SV Angel, 500 Startups, Omidyar Network, and Morado Ventures. | $622K / Seed / Apr 08, 2014 | ||
| Technical Machine seeks to empower software developers to make the next generation of physical, internet-enabled devices- from prototype to manufacturing. | $1M / Seed / Nov 27, 2013 | ||
| Distill strive to take the pain out of hiring and recruiting. They're building hiring tools to maximize the interview process as well as rethinking the optimal ways to screen candidates. Developing data-driven products that work for recruiters, hiring managers, interviewers and candidates. | $1.3M / Seed / Sep 17, 2013 | ||
| HeartThis is a free way to shop all your favorite stores in one place. Use HeartThis to conveniently browse products and sales from your favorite stores and discover new things you'd love to buy. HeartThis HQ is located in beautiful San Francisco, CA. The company is funded by top investors including including Freestyle Capital, FounderCollective, 500 Startups, Partech International, Karl Jacob, and others.Start shopping now at http://www.HeartThis.com | $2M / Seed / Aug 21, 2013 | ||
| Brit + Co is a media company that inspires, educates, and entertains real women with a creative spirit. Founded in late 2011 by Brit Morin, Brit + Co has become one of the largest digital media companies for women. Brit + Co now reaches an engaged community of over 125 million online and across platforms. They have garnered tens of millions ofvideo views and produce over 100 pieces of content every day to keep up with everything their audience is up to.As a digital-first company, they have an innate understanding of how the online connection to offline. That’s why, in addition to their website, brit.co, their free app, and their presence across social channels, they extend their reach to experiences. | $6.3M / Series A / Jun 25, 2013 | ||
| FOBO is a local marketplace for selling consumer electronics.FOBO offers users a new way to sell goods via mobile app. It gets rid of all the hassle that is usually associated with local marketplaces and makes it ultra-simple and ultra-fast to do so. The app guarantees sellers will get a certain price for their devices and will be paid upfront,and ensures that their product is sold fast — within 97 minutes. | $1.6M / Seed / Oct 18, 2012 | ||
| Talkable (formerly Curebit) helps online stores increase revenue through referrals by turning existing customers into marketers.When customers check out from a Talkable-enabled store, they are presented personalized deals that they can gift to their friends by posting to Facebook or forwarding a link. The deals give both the the originalcustomer and their referred friends a rebate on their purchase at this store. | $1.2M / Seed / Jan 27, 2012 | ||
| See all 30 investments → | |||
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FAQ
What does Karl Jacob invest in?
Karl Jacob invests primarily in Mobile, E-Commerce and Software startups, most often at Seed and Angel stage. Most of the 30 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What round sizes does Karl Jacob invest in?
Karl Jacob typically joins rounds of $600k–$2.5M at Seed, $975k–$1.2M at Angel and $6.3M–$23M at Series A. These are whole funding-round sizes, not Karl Jacob's own check, which is rarely disclosed: the 10th–90th percentile of the confirmed public funding rounds Karl Jacob took part in.
How do I contact Karl Jacob?
Public channels for Karl Jacob 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 Karl Jacob last invest?
The most recent investment recorded for Karl Jacob closed in Apr 2022. Shizune tracks 30 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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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