John Mahn

Email John R Mahn at jrmahn@mac.com and john@maamco.de. This email is the most updated John R Mahn's email found in 2026.

To contact John R Mahn send an email to jrmahn@mac.com or john@maamco.de. (updated on November 03, 2025)

Geschäftsführender Gesellschafter at Mahn Ammon & Co. GmbH | Hamburg, Hamburg, Germany

John Mahn Work

Geschäftsführender Gesellschafter at Zur Mühle Immobilien GmbH in December 2018 to Present

Geschäftsführender Gesellschafter at Pfeffersack Invest GmbH in October 2010 to Present

Geschäftsführender Gesellschafter at Mahn Ammon & Co. GmbH in May 2020 to Present

John Mahn Education

Hochschule Fresenius, Bachelor of Arts - BA, August 2026

VWA Hochschule für berufsbegleitendes Studium, Diplom, August 2026

John Mahn Skills

Unternehmensstrategie

Management

Strategie

Frequently Asked Questions about John Mahn

Email John R Mahn at [email protected] and [email protected]. This email is the most updated John R Mahn's email found in 2026.

To contact John R Mahn send an email to [email protected] or [email protected]. (updated on November 03, 2025)

What company does John Mahn work for?

John Mahn works for Mahn Ammon & Co. GmbH

What is John Mahn's role at Mahn Ammon & Co. GmbH?

John Mahn is Geschäftsführender Gesellschafter

What is John Mahn's Phone Number?

John Mahn's phone (**) *** *** 417

What industry does John Mahn work in?

John Mahn works in the Real Estate industry.

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