James Leininger
$1.85B
as of 08/18/26
About James Leininger
James Leininger, known as "Doctor Jim," made his fortune founding medical devices company Kinetic Concepts (KCI), which focuses on wound care.
In 2012, private equity firm Apax Partners led a $6.3 billion acquisition of the company. Leininger was the largest shareholder.
He also founded the Texas Public Policy Foundation in 1989 to support free-market policies and research.
He has mostly invested through his Medcare Investment Funds, which manages $1 billion in assets.
Personal stats
Citizenship
United States of AmericaSource of wealth
Medical productsResidence
San Antonio, TexasMarital status
MarriedBirth date
03/30/45 (age 81)Number of children
4Education
Bachelor of Arts/Science, Indiana University; Medical Doctor, Indiana UniversitySelf-made
self-madeJames Leininger’s fortune is worth
31K
troy ounces of gold
28K
median U.S. household
19K
median U.S. income
0.037%
U.S. credit card volume
0.007%
GDP of the United States
0.005%
United States debt
Net worth history
Annual ranking
Did you know?
Leininger has a small stake in NBA's San Antonio Spurs.
Net worth over time
Real-time ranking
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