Profile
William Schleifer was the founder of Sideshow, a company founded in 2000 where he held the title of Co CTO from 2000 to 2011.
Currently, he is the Chief Executive Officer at Powerup since 2019, a Venture Partner at Rise Capital Management LLC since 2014, and the VP of Client Engagement at Tintash, Inc. since 2020.
He was previously the VP Of Engineering at 20230930-DK-Butterfly-1, Inc. from 2015 to 2018.
Mr. Schleifer received his undergraduate degree from City University of New York in 2012.
William Schleifer active positions
| Companies | Position | Start |
|---|---|---|
Rise Capital Management LLC
 Rise Capital Management LLC Investment ManagersFinance Rise Capital Management LLC (Rise Capital Management) is a venture capital firm founded in 2013 by Nazar Yasin. The firm is headquartered in San Francisco, California. | Private Equity Investor | 2013-12-31 |
Tintash, Inc.
 Tintash, Inc. Packaged SoftwareTechnology Services Tintash, Inc. is an American custom software development company that provides dedicated remote teams to design and build digital products. The private company's clients range from startups to Fortune 500 companies. | Private Equity Investor | 2019-12-31 |
Former positions of William Schleifer
| Companies | Position | End |
|---|---|---|
| BED BATH & BEYOND INC. | Private Equity Investor | 2018-06-30 |
Sideshow
 Sideshow Other Consumer ServicesConsumer Services Sideshow is an American company that operates a contemporary art gallery. The private company was founded by William Schleifer. | Founder | 2011-06-29 |
Training of William Schleifer
| City University of New York | Undergraduate Degree |
Experiences
Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 4 |
|---|---|
20230930-DK-Butterfly-1, Inc.
 20230930-DK-Butterfly-1, Inc. Specialty StoresRetail Trade 20230930-DK-Butterfly-1, Inc. engages in the operation of retail stores and retails domestics merchandise and home furnishings. Its products include domestic merchandise and home furnishings such as bed linens and related items, bath items, kitchen textiles, kitchen and tabletop items, fine tabletop, basic house wares, general home furnishings, and consumables. The company was founded by Warren Eisenberg and Leonard Feinstein in 1971 and is headquartered in Union, NJ. | Retail Trade |
Sideshow
Sideshow Other Consumer ServicesConsumer Services Sideshow is an American company that operates a contemporary art gallery. The private company was founded by William Schleifer. | Consumer Services |
Rise Capital Management LLC
Rise Capital Management LLC Investment ManagersFinance Rise Capital Management LLC (Rise Capital Management) is a venture capital firm founded in 2013 by Nazar Yasin. The firm is headquartered in San Francisco, California. | Finance |
Tintash, Inc.
Tintash, Inc. Packaged SoftwareTechnology Services Tintash, Inc. is an American custom software development company that provides dedicated remote teams to design and build digital products. The private company's clients range from startups to Fortune 500 companies. | Technology Services |
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