Mack Capital
VC Fund
Armonk, United States
Mack Capital is a single angel investor who puts an emphasis on B2B SaaS companies with a focus on analytics and data. Ralph is the Principal of Mack Capital LLC, where he invests in real estate, distressed investments, and, his passion - new venture opportunities. Ralph has participated in the seed round for more than thirty start-up companiesover the past twenty years. As an active angel investor, Ralph is often instrumental in helping his portfolio companies' management teams with sales, marketing and operational strategies. He typically invests in the first round, subsequent financing rounds, and he proactively assists in raising additional seed capital to get his portfolio companies funded. As the porfolio companies begin to grow, Ralph uses his extensive network of contacts to introduce them to new potential customers, partners, and, where appropriate, investment bankers. Prior to founding Mack Capital, Ralph worked on Wall Street for 25 years where he brought companies public, raised debt capital, sold corporate bonds, and invested in distressed debt. Ralph received a BS in economics with majors in Finance and Entrepreneurial Management from the Wharton School at the University of Pennsylvania. He later complete his MBA in Finance from the Stern School of Business, New York University.
- Total investments:
- 5
- Last investment:
- Lead investor:
- 20%
Last updated:
For AI agents: llms.txt
Industries Mack Capital invests in
Stages Mack Capital invests in
Countries Mack Capital invests in
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Ralph Mack
|
|||
Investment Focus
Industry
- Software 2 (40%)
- Marketing 2 (40%)
- Advertising 2 (40%)
- Machine Learning 2 (40%)
- Enterprise Software 2 (40%)
Stage
- Series A 3 (60%)
- Seed 1 (20%)
- Series C 1 (20%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
|
Ralph Mack
Chief Executive Officer
|
Chief Executive Officer | Total investments: 6 | Find email |
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Welcome
|
Welcome converts shoppers into customers by providing them with real-time product expertise to make the most informed purchasing decisions possible. The company solution enabling retailers and brands to provide expertise, wherever it is, to consumers, wherever they are. They have proven consumers are 2-4X more likely to convert when they haveaccess to timely expertise. Intelligence gathered from across their network and actual conversations can now also impact consumer experience across every touchpoint. Their clients include two of the top five U.S. retailers, as well as iconic brands AT&T, Dyson, Google, HP, LG, Nintendo and Samsung. Welcome received TSIA Vision Award for Best Services Enabler in 2012, Eggie Award for Best Marketing Platform in 2014, and Eggie Award for Best Brand Support Solution in 2016. | $6M / Series A / Apr 08, 2014 | |
Sightly
|
Sightly is a marketing and media technology company, focusing on digital video advertising and analytics, that delivers unrivaled performance and client service. We use data science and expert human know-how to maximize outcomes and align each customer's Brand Mentality™ at speed, no matter what lies ahead. Our smart, agile approach to mediaplanning, buying and fine tuning extends across YouTube, TikTok, Connected TV and OTT live streaming video and all premium publishers and networks. | $4.3M / Seed / Jan 28, 2014 | |
OneSpot
|
OneSpot is the leading individualization platform for content across digital channels, empowering marketers to increase brand engagement with every individual through always on, personally relevant experiences. OneSpot uses machine learning and natural language processing to instantly analyze all available content along with users’ historicalbehavioral and real-time contextual signals to deliver the optimal brand experience on an individual basis in web, mobile, and email. OneSpot’s customers include Nestle, L'Oreal, Unilever, Campbell's, USAA, Ally Financial, Under Armour, Weight Watchers, and other leading marketers. | $5.3M / Series A / Nov 14, 2013 | |
Edgecase (formerly Compare Metrics)
|
Edgecase (formerly Compare Metrics) is the platform behind today’s most inspiring shopping experiences. By allowing shoppers to communicate their unique preferences, context and shopping style, we empower them to discover products on their own terms.Using a proprietary combination of machine learning and human content curation, the Edgecaseplatform enables shopping experiences as unique as the brands we work with. Our solutions integrate new and evolving layers of merchandising data to fuel product discovery, omni-channel engagement and online experiences that today's shoppers crave.Edgecase was founded in 2012 and is based in Austin, Texas. Our team is made up of experts in retail technology, machine learning and natural language processing. Together, we’re committed to creating memorable shopping experiences and propelling what's next in retail. Forward-thinking retailers using Edgecase include: Crate and Barrel, Golfsmith, Kate Somerville, Rebecca Minkoff, Urban Decay, and The Wasserstrom Company. | $4.2M / Series A / May 21, 2013 | |
Socialware
|
Socialware, Inc. provides a SaaS based platform that allows users to manage social media across the enterprise. Socialware, Inc. mission to transform the way that companies and their employees engage, communicate and collaborate with clients, partners and one another. Public social technologies such as Facebook, LinkedIn and Twitter have reshapedthe way we communicate in our personal lives and are now entering the enterprise. These new platforms are changing the economics of software. | $7M / Series C / Aug 16, 2011 |
Co-Investors
Floodgate
2 deals together
500 Global
1 deal together
Allegro Venture Partners
1 deal together
Austin Ventures
1 deal together
Capital Factory
1 deal together
Commerce Ventures
1 deal together
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FAQ
What does Mack Capital invest in?
Mack Capital invests primarily in Software, Marketing and Advertising startups, most often at Series A and Seed stage. Most of the 5 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact Mack Capital?
Public channels for Mack Capital 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.
Who are the partners at Mack Capital?
The team at Mack Capital includes Ralph Mack (Chief Executive Officer). The Team section lists each member with their title, investment count and links.
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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