EnerSys separates with CTO Joern Tinnemeyer; appoints Mark Matthews as Acting CTO

EnerSys

March 26, 2025: EnerSys separated employment with Joern Tinnemeyer, SVP and Chief Technology Officer.
Mark Matthews, President Specialty Global, appointed Acting Chief Technology Officer effective March 26, 2025.
Matthews will retain his President, Specialty Global role while serving as Acting CTO.

item 5.02 item 7.01

Executive movements

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Departed

Joern Tinnemeyer

Senior Vice President and Chief Technology Officer

ENS · EnerSys

Effective: 2025-03-26
Filed: March 28, 2025, 7:59 PM ET

On March 26, 2025, EnerSys separated employment with Joern Tinnemeyer, EnerSys’ Senior Vice President and Chief Technology Officer.

Key facts

Extracted from this filing and checked against the source text.

Executive change SEC 8-K Item 5.02 confidence 0.95

Joern Tinnemeyer departed as Senior Vice President and Chief Technology Officer at EnerSys.

Action: separated employment
Role: Senior Vice President and Chief Technology Officer

Exact text from the filing

On March 26, 2025, EnerSys separated employment with Joern Tinnemeyer, EnerSys’ Senior Vice President and Chief Technology Officer.

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Source: SEC EDGAR

accession 0001289308-25-000008

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