Kenneth C. Griffin

Kenneth Cordele "Ken" Griffin (born October 15, 1968) is an American hedge fund manager and businessman. He is the founder, chief executive officer and Co-chief investment officer of Citadel LLC and Citadel Securities. The two businesses provide trading services to asset managers, banks, broker-dealers and hedge fund.

Early life and education

Mr. Griffin was born in 1968 in Daytona Beach, Florida. Griffin attended Harvard University, where he launched his first fund from his dormitory room at the age of 19. Griffin graduated in 1989 with a degree in Economics. After graduating, he moved to Chicago.

Career 

Griffin founded Citadel, in 1990. Citadel LLC is an American multinational Hedge fund and financial services company. The company manages the capital of retirement programs, endowment programs and foundations and sovereign wealth funds. Citadel categorizes its areas of operations into distinct segments and groups their subsidiaries into three companies: Citadel the asset manager, Citadel Securities the market maker, and Citadel Technology. 

Honors and awards

 In 2008, he was inducted into Institutional Investors Alpha's Hedge Fund Manager Hall of fame along with Jim Simons, Alfred Winslow Jones, Bruce Kovner, David Swensen, George Soros, Jack Nash, Julian Roberston, Leon Levy, Louis Bacon, Michael Steinhardt, Paul Tudor Jones, Seth Klarman and Steven A. Cohen.

 2008, Golden Plate Award of the Academy of Achievement presented by Awards Council member Richard M. Daley, the Mayor of Chicago 

 2017, Institutional Investor's Lifetime Achievement Award

 2017, Navy SEAL Patriot Award 
 In 2025, he donated $2.25M to Team Water in response to Mr.Beast’s call-out during his fundraising

Patents

In 2002, he was issued his first American patent (USP 20020138387) for Method and system for measuring exposure of an investment fund to an issuer of financial assets.

  Method  and system for measuring exposure of an investment fund to an issuer of financial assets. Applicant: Citadel Investment Group, L.L.C. Inventor: Kenneth C. Griffin.https://patents.justia.com/patent/20020138387

Griffin is also listed as co-inventor on other U.S. patents issued to his corporation and its affiliates. He has filed for patents to protect the following inventions: 

  Method and system for measuring exposure of an investment fund to an issuer of financial assets. Assignee: CE TM HOLDINGS LLC. Inventors: Kenneth C. Griffin, Tom Miglis.  https://patents.justia.com/patent/10748214 

 Method and system for facilitating a context-based electronic communication regarding a financial transaction. Assignee: KCG IP HOLDINGS LLC. Inventors: Kenneth C. Griffin, Tom Miglis.https://patents.justia.com/patent/9704198

  Method and system for facilitating a context-based electronic communication regarding a financial transaction. Inventors: Kenneth C. Griffin, Tom Miglis.https://patents.justia.com/patent/20130275339

 Method and system for facilitating a context-based electronic communication regarding a financial transaction. Assignee: KCG IP Holdings LLC. Inventors: Kenneth C. Griffin, Tom Miglis.https://patents.justia.com/patent/8458077

  Computer implemented and/or assisted methods and systems for providing rapid execution of, for example, listed options contracts using toxicity and/or profit analyzers. Assignee: Citadel Investment Group, L.L.C. Inventors: Kenneth C. Griffin, Matthew Andresen.https://patents.justia.com/patent/8214283

  Computer implemented and/or assisted methods and systems for providing rapid execution of, for example, listed options contracts using toxicity and/or profit analyzers. Applicant: Citadel Investment Group, L.L.C. Inventors: Kenneth C. Griffin, Matthew Andresen. https://patents.justia.com/patent/20110238594

 Computer implemented and/or assisted methods and systems for detecting, tracking and responding to toxic, or likely toxic, orders in an equities order flow using toxicity and/or profit analyzers. Assignee: Citadel Investment Group, L.L.C. Inventors: Kenneth C. Griffin, Matthew Andresen.https://patents.justia.com/patent/7987128

 Computer implemented and/or assisted methods and systems for providing rapid execution of, for example, listed options contracts using toxicity and/or profit analyzers. Assignee: Citadel Investment Group, L.L.C. Inventors: Kenneth C. Griffin, Matthew Andresen.https://patents.justia.com/patent/7958039

 Computer implemented and/or assisted methods and systems for providing guaranteed, specified and/or predetermined execution prices in a guaranteed, specified and/or predetermined time frame on the purchase or sale of, for example, listed options. Assignee: Citadel Investment Group LLC. Inventors: Kenneth C. Griffin, Matthew Andresen.https://patents.justia.com/patent/7899729

  Method and system for facilitating a context-based electronic communication regarding a financial transaction. Applicant: KCG IP HOLDINGS LLC. Inventors: Kenneth C. Griffin, Tom Miglis.https://patents.justia.com/patent/20110040661

  Method and system for aggregating context associated with a financial transaction. Applicant: KCG IP HOLDINGS LLC. Inventors: Kenneth C. Griffin, Tom Miglis.https://patents.justia.com/patent/20110040700

  Method and system for measuring exposure of an investment fund to an issuer of financial assets. Applicant: KCG IP HOLDINGS LLC. Inventors: Kenneth C. Griffin, Tom Miglis.https://patents.justia.com/patent/20110040699

 Computer implemented and/or assisted methods and systems for providing guaranteed, specified and/or predetermined execution prices in a guaranteed, specified and/or predetermined time frame on the purchase or sale or, for example, listed options. Inventors: Kenneth C. Griffin, Matthew Andresen. https://patents.justia.com/patent/20100030704

 Computer implemented and/or assisted methods and systems for detecting, tracking and responding to toxic, or likely toxic, orders in an equities order flow using toxicity and/or profit analyzers. Applicant: Citadel Investment Group, L.L.C. Inventors: Kenneth C. Griffin, Matthew Andresen. https://patents.justia.com/patent/20090313179

  Computer implemented and/or assisted methods and systems for providing guaranteed, specified and/or predetermined execution prices in a guaranteed, specified and/or predetermined time frame on the purchase or sale of, for example, listed options. Assignee: Citadel Investment Group, L.L.C. Inventors: Kenneth C. Griffin, Matthew Andresen.https://patents.justia.com/patent/7603309

  Computer implemented and/or assisted methods and systems for detecting, tracking and responding to toxic, or likely toxic, orders in an equities order flow using toxicity and/or profit analyzers. Assignee: Citadel Investment Group, L.L.C. Inventors: Kenneth C. Griffin, Matthew Andresen.https://patents.justia.com/patent/7587347

References

Category:1968 births
Category:Living people
Category:Businesspeople from Florida
Category:Businesspeople from Chicago
Category:People from Daytona Beach, Florida