Leonard Tannenbaum

Leonard Tannenbaum

Net worth: 58 M $ as of 31/05/2026

54 year
Finance
Consumer Services
Miscellaneous

Profile

Leonard Mark Tannenbaum was the founder of Fifth Street Asset Management, Inc., founded in 1998, where the title held was Chairman & Chief Executive Officer until 2020.
Mr. Tannenbaum is the founder of Fifth Street Management LLC, founded in 2007, holding the title of Chief Executive Officer since 2007.
Mr. Tannenbaum is the founder of LMT Investments Pty Ltd., founded in 2017.
Mr. Tannenbaum is the founder of Advanced Flower Capital, Inc., founded in 2020, holding the title of Chairman since 2024.
Mr. Tannenbaum is the founder of Sunrise Realty Trust, Inc., founded in 2024, holding the title of Executive Chairman since 2024.
Current jobs include Chief Executive Officer at AFC BDC, Inc., Director at Southern Realty Trust, Inc., Member at Young Presidents' Organization, Inc., President at Leonard M.
Tannenbaum Foundation, Partner at Fifth Street Holdings LP, Member at Family Office Principals Group, Inc., and Manager at TCG Strategic Income Advisor LLC starting in 2025.
Former jobs include Chief Executive Officer & Director at Oaktree Specialty Lending Corp.
from 2014 to 2015, Vice Chairman & Chief Executive Officer at Oaktree Strategic Income Corp.
from 2013 to 2014, Chief Executive Officer at MMKT Exchange LLC, Director at Assisted Living Concepts, Inc., Director at New World Restaurant Group, Inc., Director at Einstein Noah Restaurant Group, Inc., Director at WesTower Communications, Inc., Assistant Portfolio Manager at Liberty Ridge Capital, Inc., Analyst at Merrill Lynch Investment Managers, Inc., Principal at Sunrise Manager LLC, and Owner at Advanced Flower Capital Management LLC.
Education includes undergraduate and MBAistration degrees from The Wharton School of the University of Pennsylvania.

Known holdings in public companies

CompanyDateNumber of sharesValuationValuation date
27.15%
31/03/2026 3,670,249 ( 27.15% ) 33 M $ 31/05/2026
17/06/2026 6,697,175 ( 28.46% ) 25 M $ 31/05/2026

Leonard Tannenbaum active positions

CompaniesPositionStart
ADVANCED FLOWER CAPITAL INC. Founder 06/07/2020
Family Office Principals Group, Inc.
Corporate Officer/Principal -
Chief Executive Officer -
Corporate Officer/Principal -
Leonard M. Tannenbaum Foundation
President -
Corporate Officer/Principal 19/11/2009
Chief Executive Officer 01/01/2007

Former positions of Leonard Tannenbaum

CompaniesPositionEnd
FIFTH STREET ASSET MANAGEMENT INC. Chief Executive Officer 01/06/2020
OAKTREE SPECIALTY LENDING CORPORATION Chief Executive Officer 20/01/2015
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See the detail of Leonard Tannenbaum's experience

Training of Leonard Tannenbaum

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

Connections

58

1st degree connections

20

1st degree companies

Male

Female

Members of the board

Executives

Linked companies

Private companies20

Health Services

Finance

Consumer Services

Finance

Miscellaneous

Miscellaneous

Commercial Services

Consumer Services

Electronic Technology

Finance

Consumer Services

Leonard M. Tannenbaum Foundation

Finance

Finance

Technology Services

LMT Investments Pty Ltd.

Finance

Family Office Principals Group, Inc.

Finance

Finance

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