Beda Diethelm

Beda Diethelm

Beda Diethelm (#1659)

Global Rank #1659
Country Rank #34
Country Switzerland

Beda Diethelm is listed among the world billionaires tracked by Iconic Billionaires.

  • $ 3 B
  • Hearing aids
  • Switzerland
  • M
  • 85 Years

Snapshot

Quick Facts

Global Rank #1,659
Country Rank #34
Net Worth $2.5B
Previous Worth $2.5B
Worth Change +$0.0B
Country Switzerland
Industry Hearing aids
Age 85 Years
Gender M
Worth As Of May 4, 2026
Last Refreshed 29 Jul 2026, 12:00 AM
Residence Zurich, Switzerland
World Billionaires List Switzerland Billionaires Hearing aids

Profile Data

Personal Stats

Age 85
Source Of Wealth Hearing aids, Self Made
Residence Zurich, Switzerland
Citizenship Switzerland
Net Worth Change +$0.0B +0.0% from previous worth
Previous Net Worth $2.5B
Current Net Worth $2.5B

Worth as of May 4, 2026

About Me

Beda Diethelm is Swiss hearing aid manufacturer Sonova's largest individual shareholder, with a 10% stake. Diethelm joined what would become Sonova in 1965, receiving a chunk of equity from the former owner in 1980. Sonova has sales of roughly $2.8 billion and is based in Stafa, Switzerland and has production facilities in Vietnam and China. Born in the tiny village of Galgenen, Switzerland, Diethelm first dabbled in electronics as an apprentice for a radio and TV technician in Zurich. By 1962, Diethelm had become the head of production and technical director of Bommer, a Zurich company that was a global supplier of hearing aids.

Wealth Growth

Net Worth Growth Over Time

Tracking Beda Diethelm's net worth journey over the years, highlighting key growth phases and financial milestones.

Worth Trend Net Worth Growth
Period Change Worth Movement
Current Net Worth: $2.5B (May 4, 2026)

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