Jeffrey Sonnenfeld
Director/Board Member at LENNAR CORPORATION
Net worth: 7 M $ as of 2024-03-30
Profile
Jeffrey A.
Sonnenfeld is the founder of the Chief Executive Leadership Institute, which was founded in 1989.
He currently holds the position of President & Chief Executive Officer at the Chief Executive Leadership Institute.
Additionally, he currently serves as an Independent Director at Lennar Corp., a Director at the National Council on Aging, Inc., a Director at AdvanceCT, a Director at Investors Exchange LLC, a Senior Associate Dean at Yale School of Management, and a Senior Advisor at Atlas Merchant Capital LLC.
In his former positions, Dr. Sonnenfeld served as a Director at TheStreet, Inc. from 2003 to 2009, a Director at Gevity HR, Inc. from 2004 to 2009, a Director at Levity HR, Inc., an Independent Director at Leo Holdings Corp.
II, and a Professor at Harvard Business School.
Dr. Sonnenfeld completed his undergraduate, graduate, and MBA degrees at Harvard University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2024-04-09 | 41,189 ( 0.02% ) | 7 M $ | 2024-03-30 | |
| 2024-04-09 | 591 ( 0.00% ) | 91 120 $ | 2024-03-30 |
Jeffrey Sonnenfeld active positions
| Companies | Position | Start |
|---|---|---|
| LENNAR CORPORATION | Director/Board Member | 2005-08-31 |
Chief Executive Leadership Institute
 Chief Executive Leadership Institute Miscellaneous Commercial ServicesCommercial Services The Chief Executive Leadership Institute operates as a leadership organization. The non-profit company is based in Washington. The American company was founded by Jeffrey A. Sonnenfeld. Jeffrey A. Sonnenfeld has been the CEO since incorporation. | Chief Executive Officer | - |
| Yale School of Management | Corporate Officer/Principal | 2000-12-31 |
National Council on Aging, Inc.
 National Council on Aging, Inc. Miscellaneous Commercial ServicesCommercial Services National Council on Aging, Inc. is a not-for-profit group, which provides adult care services. It offers adult day service centers, employment services, senior housing, health centers and congregate meal sites. It monitors public policies, business practices and attitudes concerning older Americans. The company was founded in 1950 and is headquartered in Arlington, VA. | Director/Board Member | - |
| AdvanceCT | Director/Board Member | - |
Investors Exchange LLC
 Investors Exchange LLC Investment Banks/BrokersFinance Investors Exchange LLC provides stock exchange services. The private company is based in New York, NY. The company was founded in 2013. The CEO is Bradley Katsuyama. | Director/Board Member | - |
Atlas Merchant Capital LLC
 Atlas Merchant Capital LLC Investment ManagersFinance Atlas Merchant Capital LLC (Atlas) is a private equity firm founded in 2013 by David Ira Schamis and Bob Diamond. The firm is headquartered in New York. | Consultant / Advisor | - |
Former positions of Jeffrey Sonnenfeld
| Companies | Position | End |
|---|---|---|
| THESTREET, INC. | Director/Board Member | 2009-06-22 |
Gevity HR, Inc.
 Gevity HR, Inc. Personnel ServicesCommercial Services Gevity HR, Inc. provides human resources outsourced solutions. It offers payroll & payroll administration, benefits & benefits administration, risk management and loss prevention, worker's compensation & claims services as well as HR policies and procedures. The company was founded in 1993 and is headquartered in Bradenton, FL. | Director/Board Member | 2009-05-31 |
| ░░░░░░░ ░░░░░░░░ ░░░░░░ | ░░░░░░░░░ ░░░░░░░░░░░░░░░░░ | - |
| ░░░ ░░░░░░░░ ░░░░░ ░░ | ░░░░░░░░░░░░░░ ░░░░░░ | - |
| ░░░░░░ ░░░ ░░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | - |
Training of Jeffrey Sonnenfeld
| Harvard University | Graduate Degree |
Experiences
Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Listed companies | 1 |
|---|---|
| LENNAR CORPORATION | Consumer Durables |
| Private companies | 9 |
|---|---|
TheStreet, Inc.
 TheStreet, Inc. Commercial Printing/FormsCommercial Services TheStreet, Inc. engages in the provision of financial news and information to investors and institutions worldwide. It operates through the following segments: TheDeal/BoardEx, RateWatch, and Business to Consumer. The TheDeal/BoardEx segment are based of proprietary and commercial systems developed for consumption by institutional clients. The RateWatch segment maintains a constantly-updated database of deposit, loan, and fee rate data from financial institutions using proprietary software and commercial software both internally and within the Amazon Web Services environment. The Business to Consumer segment is led by the namesake website of the company, and includes free content and houses its premium subscription products which targets varying segments of the retail investing public. The company was founded by James J. Cramer and Martin Peretz in 1996 and is headquartered in New York, NY. | Commercial Services |
Gevity HR, Inc.
Gevity HR, Inc. Personnel ServicesCommercial Services Gevity HR, Inc. provides human resources outsourced solutions. It offers payroll & payroll administration, benefits & benefits administration, risk management and loss prevention, worker's compensation & claims services as well as HR policies and procedures. The company was founded in 1993 and is headquartered in Bradenton, FL. | Commercial Services |
National Council on Aging, Inc.
National Council on Aging, Inc. Miscellaneous Commercial ServicesCommercial Services National Council on Aging, Inc. is a not-for-profit group, which provides adult care services. It offers adult day service centers, employment services, senior housing, health centers and congregate meal sites. It monitors public policies, business practices and attitudes concerning older Americans. The company was founded in 1950 and is headquartered in Arlington, VA. | Commercial Services |
Chief Executive Leadership Institute
Chief Executive Leadership Institute Miscellaneous Commercial ServicesCommercial Services The Chief Executive Leadership Institute operates as a leadership organization. The non-profit company is based in Washington. The American company was founded by Jeffrey A. Sonnenfeld. Jeffrey A. Sonnenfeld has been the CEO since incorporation. | Commercial Services |
| AdvanceCT | |
| Levity HR, Inc. | |
Atlas Merchant Capital LLC
Atlas Merchant Capital LLC Investment ManagersFinance Atlas Merchant Capital LLC (Atlas) is a private equity firm founded in 2013 by David Ira Schamis and Bob Diamond. The firm is headquartered in New York. | Finance |
Investors Exchange LLC
Investors Exchange LLC Investment Banks/BrokersFinance Investors Exchange LLC provides stock exchange services. The private company is based in New York, NY. The company was founded in 2013. The CEO is Bradley Katsuyama. | Finance |
Leo Holdings Corp. II
 Leo Holdings Corp. II Financial ConglomeratesFinance Leo Holdings Corp. II operates as a blank check company. It was formed for the purpose of effecting a merger, share exchange, asset acquisition, share purchase, reorganization or similar business combination with one or more businesses. The company was founded by Edward Codd Forst, Lyndon Lea, and Robert Darwent on September 1, 2020 and is headquartered in Nassau, The Bahamas. | Finance |
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