LeaderPortfolio
Sixt
Konstantin Sixt
Rank #2473
GERMANYAutomotiveCar rentals

Konstantin Sixt

Net Worth
$1.609B
+0.94% (24h)
Konstantin Sixt, co-CEO of Sixt SE, embodies the entrepreneurial spirit of the family-run car rental giant. Born in 1982, he joined Sixt in 2005, quickly making his mark by heading the company's online business and later taking over as Head of German Sales. Since 2021, he has been co-CEO alongside his brother, Alexander Sixt. With a net worth of $1.5 billion, Konstantin has played a key role in transforming Sixt into a global mobility leader, leveraging technology and innovation to drive growth in the automotive industry. His career is defined by his commitment to innovation, and expanding Sixt's market presence.

How to read Konstantin Sixt'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 Konstantin Sixt, we anchor the narrative to Car rentals and Car rentals, 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 $1.609B alongside global rank #2473, 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 (GERMANY) 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

Konstantin Sixt was born in Munich in 1982. He pursued higher education in Geneva, Paris, and London, earning a Master of Science in International Accounting and Finance from City University (CASS Business School) in London. This academic foundation equipped him with the skills needed to thrive in the family business.

Rise to Success

Konstantin joined Sixt SE in 2005, taking charge of the company's online business. This marked the beginning of his ascent within the company. In 2013, he became the Head of German Sales, further expanding his responsibilities. In February 2015, he was appointed to the Management Board, overseeing national and international sales, as well as the global e-commerce operations. In June 2021, he was appointed Co-CEO with his brother Alexander Sixt.

Key Business Strategies

Under Konstantin's leadership, Sixt has emphasized innovation and technological integration to enhance customer experience and expand its global reach. He is responsible for marketing, international Franchise Development & Business to Partners and SIXT+. Sixt's success is also attributed to a strong focus on premium vehicles, a customer-centric approach, and the expansion of its digital platform.

Philanthropy

Konstantin Sixt is involved in the Regine Sixt Children's Aid Foundation DRYING LITTLE TEARS, which supports children's aid projects worldwide in areas like education, health, and emergency aid.

Career Timeline

2021

Co-CEO of Sixt SE

Appointed Co-Chairman of the Management Board of Sixt SE, with his brother Alexander.

2015

Management Board Appointment

Appointed to the Management Board, overseeing national and international sales, as well as global e-commerce.

2013

Head of German Sales at SIXT Autovermietung

Assumed leadership of German sales operations.

2005

Joined Sixt SE

Began working for Sixt, taking responsibility for the company's online business.

Philanthropic Impact

Children's AidUndisclosed

Regine Sixt Children's Aid Foundation DRYING LITTLE TEARS

Supports children's aid projects worldwide in education, health, welfare, and emergency aid.

Key Business Ventures & Holdings

CompanyStakeValue
Sixt SE56.00%

Net Worth History

In-Depth Analysis

Early Life and Education

Konstantin Sixt was born in Munich in 1982. He pursued higher education in Geneva, Paris, and London, earning a Master of Science in International Accounting and Finance from City University (CASS Business School) in London. This academic foundation equipped him with the skills needed to thrive in the family business.

Rise to Success

Konstantin joined Sixt SE in 2005, taking charge of the company's online business. This marked the beginning of his ascent within the company. In 2013, he became the Head of German Sales, further expanding his responsibilities. In February 2015, he was appointed to the Management Board, overseeing national and international sales, as well as the global e-commerce operations. In June 2021, he was appointed Co-CEO with his brother Alexander Sixt.

Key Business Strategies

Under Konstantin's leadership, Sixt has emphasized innovation and technological integration to enhance customer experience and expand its global reach. He is responsible for marketing, international Franchise Development & Business to Partners and SIXT+. Sixt's success is also attributed to a strong focus on premium vehicles, a customer-centric approach, and the expansion of its digital platform.

Philanthropy

Konstantin Sixt is involved in the Regine Sixt Children's Aid Foundation DRYING LITTLE TEARS, which supports children's aid projects worldwide in areas like education, health, and emergency aid.

Data Sources & Methodology

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