Michael G. Rubin
Angel Investor
Philadelphia, United States
Michael G. Rubin is a seed investor in Philadelphia focused on Software and SaaS. Michael G. Rubin has served as chairman of the board and chief executive officer of GSI Commerce® since July 1995 and as president since October 2006. Prior, he also served as GSI Commerce's co-president from May 2004 through August 2005 and as GSI Commerce's president from June 2000 through May 2004. He directly oversees the sales,strategic planning and corporate development group, and the corporate support and governance group. He has built GSI Commerce into one of the leading e-commerce companies in the United States and has received awards and media attention for his entrepreneurial skills and various accomplishments.
- Total investments:
- 8
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Michael G. Rubin invests in
Stages Michael G. Rubin invests in
Countries Michael G. Rubin invests in
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
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Investment Focus
Industry
- Software 2 (25%)
- SaaS 1 (13%)
- Energy 1 (13%)
- Big Data 1 (13%)
- Ethereum 1 (13%)
Stage
- Seed 1 (13%)
- Series A 1 (13%)
- Series B 1 (13%)
- Series D 1 (13%)
- Funding Round 1 (13%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Ethernal Labs is a multidisciplinary studio that is leveraging the interactivity and utility of web 3 technology. Ethernal Labs is the premier creative and technology studio for NFT Creation, Metaverse Integration, Fan Tokens, P2E Gaming, and Virtual experiences. | $20M / Seed / Feb 10, 2022 | ||
| Dream Pops manufactures and markets plant-based frozen desserts formulated with coconut milk, coconut sugar, fruits and herbs. Inspired by Colombian paletas, varieties include mixed berry, chocolate with lion’s mane mushroom, vanilla matcha, coconut latte, and mango rosemary. | $6M / Venture - Series Unknown / Nov 10, 2021 | ||
| Stord is on a mission to migrate supply chains to the cloud—empowering brands to build sophisticated, agile, and integrated supply chains.Founded in 2015 and headquartered in the heart of Atlanta's vibrant tech community, Stord is pioneering the world's first Cloud Supply Chain. The Cloud Supply Chain is the convergence of the digitaland physical elements of logistics. With Stord's Cloud Supply Chain, businesses can build, expand, and optimize their physical supply chain operations across freight, warehousing, and fulfillment, with the speed, flexibility, and ease of modern cloud software. With a single integration, businesses achieve end-to-end visibility into their whole supply chains from a single dashboard and gain access to Stord's network of hundreds of warehouses, fulfillment centers, and carriers.They are a rapidly growing team that is backed by over $125M from leading investors such as Kleiner Perkins, Founders Fund, BOND, D1 Capital, and more (investors in Amazon, Google, Twitter, and more). They've received awards and recognition from TechCrunch, the Wall Street Journal, VentureBeat, Fortune, Forbes, Inc., TAG, Atlanta Business Chronicle, and more.The future of supply chains is in the cloud. Come help us help businesses out-deliver their competition with the Cloud Supply Chain. | $90M / Series D / Sep 14, 2021 | ||
| Rowdy Energy is a drink industry business that specializes in energy drinks. It combines caffeine with the nootropic L-Theanine to provide a powerful boost without the unwelcome and irritable crash. The company's L-Theanine gives the laser focus on the need to conquer any challenge. Electrolytes keep the body hydrated and running at peakperformance. Rowdy Energy Drink is currently available in ten flavors, including seven sugar-free, KETO-certified options. | $13M / May 06, 2021 | ||
| Sidecar is an e-commerce marketing company that builds the advanced technology retailers need to optimize cross-channel online shopping campaigns. With a team of data science and e-commerce experts, our state-of-the-art machine learning engine, and a massive volume of data, Sidecar is the magic behind retail's most efficient and powerfulonline shopping campaigns. | $8M / Series B / Nov 20, 2015 | ||
| Sidecar is an e-commerce marketing company that builds the advanced technology retailers need to optimize cross-channel online shopping campaigns. With a team of data science and e-commerce experts, our state-of-the-art machine learning engine, and a massive volume of data, Sidecar is the magic behind retail's most efficient and powerfulonline shopping campaigns. | $7.2M / Series A / Jun 12, 2014 | ||
| Sidecar is an e-commerce marketing company that builds the advanced technology retailers need to optimize cross-channel online shopping campaigns. With a team of data science and e-commerce experts, our state-of-the-art machine learning engine, and a massive volume of data, Sidecar is the magic behind retail's most efficient and powerfulonline shopping campaigns. | Series A / Dec 01, 2012 | ||
| Sidecar is an e-commerce marketing company that builds the advanced technology retailers need to optimize cross-channel online shopping campaigns. With a team of data science and e-commerce experts, our state-of-the-art machine learning engine, and a massive volume of data, Sidecar is the magic behind retail's most efficient and powerfulonline shopping campaigns. | Series A / Nov 01, 2011 |
Co-Investors
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FAQ
What does Michael G. Rubin invest in?
Michael G. Rubin invests primarily in Software, SaaS and Energy startups, most often at Seed and Series A stage. Most of the 8 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 Michael G. Rubin?
Public channels for Michael G. Rubin include LinkedIn and X (Twitter). 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 G. Rubin last invest?
The most recent investment recorded for Michael G. Rubin closed in Feb 2022. Shizune tracks 8 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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