Billionaire Profile
Michael Tojner
Global Rank
#2501

Image: MontanaWiki2 | CC BY 4.0 | via Wikimedia Commons

Michael Tojner

CEO, Batteries
AUSTRIA
Real-Time Net Worth
$1.513B
Estimated based on Batteries stock value as of March 6, 2026
-2.04% (24h)
Age
59
Source
Batteries, investments
Industry
Energy
Citizenship
AUSTRIA

Biography

Michael Tojner, an Austrian entrepreneur, is a billionaire with an estimated net worth of $1.3 billion as of June 2024. His wealth primarily stems from his investments and the manufacturing sector, particularly through his ownership of Varta, a German microbattery manufacturer. Tojner's career includes founding Montana Tech Components, an industrial holding company, and involvement in real estate and other industrial ventures. His entrepreneurial journey began in the 1990s, specializing in venture capital and restructuring companies. Tojner is also known for his real estate projects, including the Hotel InterContinental Vienna. He holds degrees from the University of Vienna, including a doctorate, and has been involved in various controversies.

Fact Checked
Verified by Editorial Team
Live Data
Updated 3/6/2026

Wealth Over Time

In-Depth Profile

Early Life and Education

Michael Tojner was born on March 31, 1966, in Steyr, Austria. He spent his childhood in Haag, Lower Austria. He attended the Bundesrealgymnasium Amstetten, graduating in 1984. Tojner pursued higher education at the University of Vienna, earning degrees in both business administration and law, and obtaining doctorates in both fields in 1990/1991. He also participated in executive programs at Stanford University (2001) and Harvard Business School (2002).

Rise to Success

Tojner's entrepreneurial career began in the 1990s with a focus on venture capital and restructuring companies. He founded Global Equity Partners (GEP) in 1998. One of his most notable early investments was in betandwin, which later became bwin, a major European gambling company. He sold his interest in bwin in 2005. In 2006, he founded Montana Tech Components, an industrial holding company, through which he made significant investments in various industries. A pivotal moment was the acquisition of Varta Microbattery in 2007 for $40 million.

Key Business Strategies

Tojner's business strategy involves acquiring and developing companies in technology-driven niche markets. He focuses on long-term investments. A key aspect of his strategy is to identify and acquire promising companies and then foster their growth, as seen with Varta, which he took public in 2017. Tojner has also been involved in real estate, with projects like the Hotel InterContinental Vienna. His approach includes a strong emphasis on financial performance and growth, setting targets such as a 50% annual revenue increase.

Philanthropy

Michael Tojner has shown an interest in supporting education and innovation. He has been connected with the Vienna University of Economics and Business for over 20 years. In January 2021, he, together with the B&C Privatstiftung, allocated eleven million euros towards research funding for the university, which is the largest direct private funding in Austria. He also founded the "Verein zur Förderung von Innovation, Unternehmertum und Internationalisierung" in 2020.

Career Milestones

1990

Completed Doctorate

Earned doctorates in both Business Administration and Law from the University of Vienna.

1998

Founded Global Equity Partners

Established a venture capital fund.

2005

Exited Bwin

Sold his interest in the online gambling company betandwin (later bwin).

2006

Founded Montana Tech Components

Established an industrial holding company.

2007

Acquired Varta Microbattery

Purchased Varta Microbattery.

2017

Varta IPO

Took Varta public on the Frankfurt Stock Exchange.

Philanthropy & Social Impact

Education

Research Funding at WU Wien

$11M

Allocated funding towards research at the Vienna University of Economics and Business

Innovation

Verein zur Förderung von Innovation, Unternehmertum und Internationalisierung

Undisclosed

Founded an association to support innovation, entrepreneurship, and internationalization

Controversies & Challenges

2019

Burgenland Fraud Allegations

An investigation was opened by the Land Burgenland regarding Tojner's real estate deals.

2021

Criminal Investigations

Investigations were launched relating to Tojner's involvement in real estate, involving fraud, balance sheet fraud, and the bribing of public officials.