LeaderPortfolio
Leininger
James Leininger
Rank #2223
UNITED STATESHealthcareMedical products

James Leininger

Net Worth
$1.852B
0% (24h)
James Leininger, born in 1944, is an American physician, businessman, and philanthropist. He is best known for founding Kinetic Concepts (KCI) in 1976, a medical technology company specializing in wound care products. His career began in medicine, but he later transitioned to entrepreneurship, building KCI into a global leader. Leininger's estimated net worth is $1.9 billion, derived primarily from his early success in the medical products industry. He has also been involved in various other ventures, including real estate and investments. Beyond his business endeavors, Leininger is involved in conservative and Christian activism and has contributed to various charitable initiatives, notably in education and scientific research. He is a part-owner of the San Antonio Spurs and was inducted into the Texas Business Hall of Fame in 2007.

How to read James Leininger's profile

Public net-worth figures are estimates. They combine observable inputs—typically listed equity, disclosed transactions, and market prices—with editorial judgment where filings are incomplete (for example, private holdings, debt, or cross-holdings). For James Leininger, we anchor the narrative to Medical products and Medical products, then update the headline number as markets move. The chart on this page is meant to show trajectory, not a certified balance sheet.

When you see $1.852B alongside global rank #2223, interpret it as our best synthesis of widely cited ownership and price signals—not a claim about cash on hand. Estimates can diverge from other publishers because of different treatment of options, trusts, charitable vehicles, or illiquid assets. We document the general approach in methodology and welcome corrections via corrections.

Country (UNITED STATES) and career milestones on this page are curated for reader context; they should be verified against primary sources when used for research. Editorial metadata for this profile is refreshed on a rolling basis, with deeper audits at least annually (last noted cycle: 2026).

Looking for depth? When available, the dossier and timeline sections below add long-form context beyond the headline number—prioritize those modules when evaluating claims about strategy, controversies, or philanthropic commitments.

The Full Dossier

Early Life and Education

James Leininger was born in Warsaw, Indiana, in 1944. He attended Indiana University Indianapolis, earning a Bachelor of Arts in 1965 and a Doctor of Medicine in 1969. After completing an internship and postgraduate courses, he settled in San Antonio, Texas, where he taught at the University of Texas Health Science Center in 1972 and 1973.

Rise to Success

In 1976, Leininger founded Kinetic Concepts (KCI), a global medical technology corporation. KCI became a leader in medical devices, particularly in wound care, revolutionizing patient recovery. In 2012, Apax Partners acquired KCI for $6.3 billion, with Leininger being the largest shareholder.

Key Business Strategies

Leininger's business acumen extended beyond KCI. He co-founded the Renal Care Group and ATX Technologies, and served on the board of directors for various companies, including BioNumerik Pharmaceuticals and Spurs Sports & Entertainment. He also invested in real estate and food companies. He is noted for his investments through MedCare Investment Funds, managing $1 billion in assets.

Philanthropy

James Leininger supports charitable initiatives in education, humanitarian aid, and scientific research. In 1997, he donated significant amounts to various universities and organizations.

Career Timeline

2007

Inducted into Texas Business Hall of Fame

Was inducted into the Texas Business Hall of Fame.

1976

Founded Kinetic Concepts (KCI)

Founded KCI, a medical technology company.

1969

Medical Doctor

Earned his Doctor of Medicine from Indiana University.

Philanthropic Impact

Education$1.5M

Vanderbilt University

Donated to Vanderbilt University.

Education$2.5M

Vision Forum

Donated to Vision Forum.

Education$3M

University of Miami

Donated to the University of Miami.

Net Worth History

In-Depth Analysis

Early Life and Education

James Leininger was born in Warsaw, Indiana, in 1944. He attended Indiana University Indianapolis, earning a Bachelor of Arts in 1965 and a Doctor of Medicine in 1969. After completing an internship and postgraduate courses, he settled in San Antonio, Texas, where he taught at the University of Texas Health Science Center in 1972 and 1973.

Rise to Success

In 1976, Leininger founded Kinetic Concepts (KCI), a global medical technology corporation. KCI became a leader in medical devices, particularly in wound care, revolutionizing patient recovery. In 2012, Apax Partners acquired KCI for $6.3 billion, with Leininger being the largest shareholder.

Key Business Strategies

Leininger's business acumen extended beyond KCI. He co-founded the Renal Care Group and ATX Technologies, and served on the board of directors for various companies, including BioNumerik Pharmaceuticals and Spurs Sports & Entertainment. He also invested in real estate and food companies. He is noted for his investments through MedCare Investment Funds, managing $1 billion in assets.

Philanthropy

James Leininger supports charitable initiatives in education, humanitarian aid, and scientific research. In 1997, he donated significant amounts to various universities and organizations.

Data Sources & Methodology

Figures for James Leininger are synthesized from the sources below and cross-checked against our net worth methodology. Estimates may lag market moves; see corrections to report discrepancies.