{"id":"ken-seiff","title":"Ken Seiff","content":"**Ken Seiff** is an American entrepreneur and venture capitalist known for founding the e-commerce company Bluefly.com and for his work as a general partner at Blockchange Ventures, a venture capital firm that invests exclusively in early-stage [blockchain](https://iq.wiki/wiki/blockchain) technology. [\\[1\\]](#cite-id-nG3AfVHxHSnXkah7) [\\[2\\]](#cite-id-5Az3ELeaBBT8saFj) [\\[3\\]](#cite-id-XZbacmXRJLRbsGAp)​\n\n## Education\n\nKen Seiff attended Phillips Academy Andover from 1978 to 1982. He later enrolled at the University of Pennsylvania’s Wharton School, where he earned a Bachelor of Science in Economics with a concentration in Entrepreneurial Management between 1983 and 1986.  [\\[2\\]](#cite-id-5Az3ELeaBBT8saFj) \n\n## Career\n\nKen Seiff’s career spans entrepreneurship, retail operations, investment banking, and venture capital. He founded Pivot Rules Inc. in 1991, developing a golf sportswear brand that later completed an initial public offering in 1997. In 1998, he founded Bluefly, Inc., an online retailer of discounted designer fashion, where he served as Chief Executive Officer and led the company’s capital raising and operational buildout through 2004.\n\nFrom 2004 to 2009, Seiff co-founded and led Glowcast Ventures, an incubator and advisory firm working with consumer brands and digital businesses. He subsequently co-founded Poppin (FLOK LLC) in 2009, an office supplies company positioned around design and branding. Between 2011 and 2013, he served as Executive Vice President of Direct and Omni-Channel at Brooks Brothers, overseeing its e-commerce, catalog, and customer service operations.\n\nSeiff has also held advisory and board roles, including positions with Simply Gum, PredictSpring, Kule LLC, Shop.org, and the National Retail Federation. Since 2008, he has led Seiff & Company LLC, an investment bank and advisory firm serving entrepreneurial businesses.\n\nIn 2013, he became Managing Partner of Beanstalk Ventures, and in 2017, he co-founded Blockchange Ventures, a venture capital firm focused on early-stage blockchain companies and protocols.  [\\[1\\]](#cite-id-nG3AfVHxHSnXkah7)  [\\[2\\]](#cite-id-5Az3ELeaBBT8saFj)  [\\[3\\]](#cite-id-XZbacmXRJLRbsGAp) ","summary":"Ken Seiff is an entrepreneur and the General Partner of Blockchange Ventures, a VC firm focused on early-stage blockchain companies. He founded Bluefly.com, Poppin, Simply Gum, and Beanstalk Ventures, and has advised Amazon and Google.","images":[{"id":"QmZjfT3raf73apjkvKz433dSSjQyWxSW2R7Mt4HwLZQQby","type":"image/jpeg, image/png"}],"categories":[{"id":"people","title":"people"}],"tags":[{"id":"PeopleInDeFi"},{"id":"Founders"},{"id":"Venture"}],"media":[],"metadata":[{"id":"references","value":"[{\"id\":\"nG3AfVHxHSnXkah7\",\"description\":\"The Defiant  - Blockchange Ventures' Ken Seiff: Betting on Crypto's Base Layer and a Multi-Chain Future\",\"timestamp\":1770812509996,\"url\":\"https://thedefiant.io/podcasts-and-videos/podcast/blockchange-ventures-ken-seiff-betting-on-cryptos-base-layer-and-a-multi-chain-future\"},{\"id\":\"5Az3ELeaBBT8saFj\",\"description\":\"LinkedIn: Ken Seiff\",\"timestamp\":1770812494781,\"url\":\"https://www.linkedin.com/in/seiff/\"},{\"id\":\"XZbacmXRJLRbsGAp\",\"description\":\"Ken Seiff's Speaker Profile at CFC St. Moritz\",\"timestamp\":1770812523380,\"url\":\"https://cfc-stmoritz.com/profiles/ken-seiff\"}]"},{"id":"linkedin_profile","value":"https://www.linkedin.com/in/seiff/"},{"id":"references","value":"[{\"id\":\"nG3AfVHxHSnXkah7\",\"description\":\"The Defiant  - Blockchange Ventures' Ken Seiff: Betting on Crypto's Base Layer and a Multi-Chain Future\",\"timestamp\":1770812509996,\"url\":\"https://thedefiant.io/podcasts-and-videos/podcast/blockchange-ventures-ken-seiff-betting-on-cryptos-base-layer-and-a-multi-chain-future\"},{\"id\":\"5Az3ELeaBBT8saFj\",\"description\":\"LinkedIn: Ken Seiff\",\"timestamp\":1770812494781,\"url\":\"https://www.linkedin.com/in/seiff/\"},{\"id\":\"XZbacmXRJLRbsGAp\",\"description\":\"Ken Seiff's Speaker Profile at CFC St. Moritz\",\"timestamp\":1770812523380,\"url\":\"https://cfc-stmoritz.com/profiles/ken-seiff\"}]"},{"id":"commit-message","value":"\"Added wiki page for Ken Seiff\""}],"events":[{"date":null,"title":"Founded Bluefly.com","type":"DEFAULT","description":"Ken Seiff founded the online retailer Bluefly.com, one of his early entrepreneurial ventures in the e-commerce space.","link":null,"multiDateStart":null,"multiDateEnd":null,"continent":null,"country":null,"id":"79bda190-5599-446c-b09a-cd4aadc4a2f3"},{"date":null,"title":"Founded Beanstalk Ventures","type":"DEFAULT","description":"Seiff entered venture capital by founding Beanstalk Ventures, a fund focused on investing in technologies to innovate the retail industry.","link":null,"multiDateStart":null,"multiDateEnd":null,"continent":null,"country":null,"id":"78b324d5-f4b3-456a-b9d1-a2d708554df8"},{"date":null,"title":"Became General Partner at Blockchange Ventures","type":"DEFAULT","description":"Seiff became the General Partner of Blockchange Ventures, a firm investing exclusively in early-stage blockchain companies, protocols, and applications.","link":null,"multiDateStart":null,"multiDateEnd":null,"continent":null,"country":null,"id":"6fb7ed82-7c3a-4821-841a-c1a9e1a9dd61"},{"id":"6b29a9f3-f9bd-43bb-8cc2-585d5bd154a1","date":"2022-03","title":"Featured on The Defiant Podcast","type":"DEFAULT","description":"Seiff discussed his investment strategy and outlook on the multi-chain future on an episode of The Defiant podcast.","link":"https://thedefiant.io/podcasts-and-videos/podcast/blockchange-ventures-ken-seiff-betting-on-cryptos-base-layer-and-a-multi-chain-future","multiDateStart":null,"multiDateEnd":null,"continent":null,"country":null}],"user":{"id":"0x8af7a19a26d8fbc48defb35aefb15ec8c407f889"},"author":{"id":"0x8af7a19a26d8fbc48defb35aefb15ec8c407f889"},"operator":{"id":"0x4a2bC97afBF41a2Cbf4b4628F63420682Ff4CF2a"},"language":"en","version":1,"linkedWikis":{"blockchains":[],"founders":[],"speakers":[]}}