Stephen Kaufer

Director/Board Member at CARGURUS, INC.

Net worth: 10 M $ as of 30/05/2026

63 year

62 connections

Technology Services

Commercial Services

Consumer Services

Profile

Founder of TripAdvisor, Inc. and CenterLine Software, Inc., Stephen Kaufer is a businessperson who has been at the head of 5 different companies and currently occupies the position of President & Chairman at The Tripadvisor Charitable Foundation and President, Chief Executive Officer & Director at TripAdvisor, Inc., Chief Executive Officer for CityMaps, Inc. and Chief Executive Officer for Oyster Travel Corp. (both are subsidiaries of TripAdvisor, Inc.). Stephen Kaufer is also on the board of 6 other companies. Mr. Kaufer previously was Vice President-Engineering at CenterLine Software, Inc. and President for CDS, Inc. He received an undergraduate degree from Harvard University.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
CARGURUS, INC. CLASS A 0.44%	02/06/2026	331,278 ( 0.44% )	10 M $	30/05/2026

Stephen Kaufer active positions

Companies	Position	Start
CARGURUS, INC.	Director/Board Member	31/05/2007
The Tripadvisor Charitable Foundation	Chairman	-
Pillar Co Management LLC Pillar Co Management LLC Investment ManagersFinance Pillar VC invests in companies located across the globe primarily in United States. The firm focuses on broad range of sectors and industries. It participates in pre-seed and seed stage transactions with an investment size of USD 0.5 - 7 million. It acts as a lead investor and takes a seat on the board of directors.	Private Equity Investor	-
Jetsetter, Inc. Jetsetter, Inc. Other Consumer ServicesConsumer Services Provides on line travel arrangement services	Chief Executive Officer	-
Guia de Apartamentos Niumba SL Guia de Apartamentos Niumba SL Internet Software/ServicesTechnology Services Provides online marketing services for the tourist properties sector	Director/Board Member	16/12/2014
CityMaps, Inc. CityMaps, Inc. Packaged SoftwareTechnology Services Provides mapping services	Chief Executive Officer	-
Neuroendocrine Tumor Research Foundation Neuroendocrine Tumor Research Foundation Miscellaneous Commercial ServicesCommercial Services The Neuroendocrine Tumor Research Foundation is a nonprofit organization dedicated to funding scientific research on neuroendocrine tumors and related neuroendocrine neoplasms. The private company is based in Boston. The foundation supports basic, translational, and clinical studies to understand the molecular basis of these diseases, develop new diagnostics and therapies, and find cures. It offers grant programs for various types of research and encourages collaboration and support for early-career investigators. The foundation’s strategy focuses on early detection, therapeutic development, and precision medicine, and it fosters a scientific community through symposia, peer review, and partnerships. It also provides resources for patients and caregivers, including educational materials, clinical trial information, and specialist directories, and promotes community engagement through donations, fundraising, and volunteering.	Director/Board Member	-
Net Research Foundation Net Research Foundation Miscellaneous Commercial ServicesCommercial Services Operates as a foundation for cancer patients	Director/Board Member	-
Oyster Travel Corp. Oyster Travel Corp. Internet Software/ServicesTechnology Services Provides information and reviews about hotels through online	Chief Executive Officer	-
░░░░░░ ░░░ ░░░░░░░░░ ░░░░░░░░░░	░░░░░░░░░░░░░░ ░░░░░░	-
░░░░░░░░░░░░░░ ░░░	░░░░░░░░░░░░░░ ░░░░░░	-

All active positions of Stephen Kaufer

Former positions of Stephen Kaufer

Companies	Position	End
░░░░░░░░░░░░ ░░░░	░░░░░░░	░░░░░░░░░░
░░░░░░░░░░ ░░░░░░░░░ ░░░░	░░░░░░░	░░░░░░░░░░
░░░░░░░░░░ ░░░░	░░░░░░░░░░░░░░ ░░░░░░	-
░░░░░░░░░ ░░░░	░░░░░░░░░░░░░░ ░░░░░░	-
░░░░ ░░░░	░░░░░░░░░	-

See the detail of Stephen Kaufer's experience

Training of Stephen Kaufer

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of Stephen Kaufer's experience

Connections

1st degree connections

1st degree companies

Male

Female

Members of the board

Executives

See the personal network

Linked companies

Private companies	18
LiveData, Inc. LiveData, Inc. Packaged SoftwareTechnology Services Provides data management solutions	Technology Services
DigitalAdvisor LLC DigitalAdvisor LLC Internet Software/ServicesTechnology Services Provides online shopping for consumer electronics	Technology Services
Glassdoor, Inc. Glassdoor, Inc. Commercial Printing/FormsCommercial Services Operates a platform for jobs, salary information, company reviews and interview questions	Commercial Services
CityMaps, Inc. CityMaps, Inc. Packaged SoftwareTechnology Services Provides mapping services	Technology Services
Harvard University Harvard University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
CenterLine Software, Inc. CenterLine Software, Inc. Electronics DistributorsDistribution Services Computer software & development	Distribution Services
TripAdvisor, Inc. TripAdvisor, Inc. Other Consumer ServicesConsumer Services Provides on line travel arrangement services	Consumer Services
CDS, Inc. CDS, Inc. Finance/Rental/LeasingFinance Provides post-trade financial services	Finance
FlipKey LLC FlipKey LLC Internet Software/ServicesTechnology Services Organizes and manages vocational rental properties	Technology Services
Guia de Apartamentos Niumba SL Guia de Apartamentos Niumba SL Internet Software/ServicesTechnology Services Provides online marketing services for the tourist properties sector	Technology Services
Caring For Carcinoid Foundation Caring For Carcinoid Foundation Miscellaneous Commercial ServicesCommercial Services Caring For Carcinoid Foundation is a company that operates in the Membership Organizations industry. The company is based in Boston, MA.	Commercial Services
Oyster Travel Corp. Oyster Travel Corp. Internet Software/ServicesTechnology Services Provides information and reviews about hotels through online	Technology Services
Cargurus, Inc. Cargurus, Inc. Internet Software/ServicesTechnology Services Operates online automotive marketplace connecting buyers and sellers of new and used cars	Technology Services
Jetsetter, Inc. Jetsetter, Inc. Other Consumer ServicesConsumer Services Provides on line travel arrangement services	Consumer Services
The Tripadvisor Charitable Foundation
Pillar Co Management LLC Pillar Co Management LLC Investment ManagersFinance Pillar VC invests in companies located across the globe primarily in United States. The firm focuses on broad range of sectors and industries. It participates in pre-seed and seed stage transactions with an investment size of USD 0.5 - 7 million. It acts as a lead investor and takes a seat on the board of directors.	Finance
Net Research Foundation Net Research Foundation Miscellaneous Commercial ServicesCommercial Services Operates as a foundation for cancer patients	Commercial Services
Neuroendocrine Tumor Research Foundation Neuroendocrine Tumor Research Foundation Miscellaneous Commercial ServicesCommercial Services The Neuroendocrine Tumor Research Foundation is a nonprofit organization dedicated to funding scientific research on neuroendocrine tumors and related neuroendocrine neoplasms. The private company is based in Boston. The foundation supports basic, translational, and clinical studies to understand the molecular basis of these diseases, develop new diagnostics and therapies, and find cures. It offers grant programs for various types of research and encourages collaboration and support for early-career investigators. The foundation’s strategy focuses on early detection, therapeutic development, and precision medicine, and it fosters a scientific community through symposia, peer review, and partnerships. It also provides resources for patients and caregivers, including educational materials, clinical trial information, and specialist directories, and promotes community engagement through donations, fundraising, and volunteering.	Commercial Services