CISO Tribune

Executive record

Dennis Leber

CISO Tribune executive record: Dennis Leber, CISO at Erlanger Health System

Career profile: Dennis Leber on CISO Spotlights ↗

Dennis Leber is Chief Information Security Officer at Erlanger Health System. The appointment was announced on February 7, 2026, per Becker's Hospital Review.

Before the appointment: Cybersecurity Solutions Architect at Avalon, per the same source.

1 tracked move on the Wire · Updated

Career timeline

Every move the record holds for Dennis Leber, newest first, with the earlier roles the announcements name.

  1. · Appointment

    Named Chief Information Security Officer at Erlanger Health System

    Source: Becker's Hospital Review ↗ · Move record

  2. Before February 2026· Earlier role

    Cybersecurity Solutions Architect at Avalon

    Named in the announcement of the Erlanger Health System appointment · Source: Becker's Hospital Review ↗

The appointment

Announced February 7, 2026 · Source: Becker's Hospital Review ↗ · Move record

Dennis Leber, PhD, has been appointed chief information security officer of Chattanooga, Tennessee-based Erlanger Health System. He announced the move on LinkedIn on February 7, 2026, Becker's Hospital Review reported. Leber most recently served as a cybersecurity solutions architect for legal services company Avalon, and earlier worked in information security at UConn Health, the University of Tennessee Health Science Center and Hardin Memorial Health.

The company: Erlanger Health System

Company record
Who runs security at Erlanger Health System: 1 confirmed move on the record

Appointed in the same period

Other security chiefs in Healthcare whose appointment was announced within 90 days of Dennis Leber's, nearest first. The Healthcare bench

Record facts

Time in the seat
9 months since the appointment was announced (February 7, 2026), as of November 2026
Moves on the record
1 confirmed move, each with its source
On the record since
February 7, 2026

How these are counted. Time in the seat: Counted in whole months from the announcement of the appointment, the date the record holds; announcements rarely give a start date.

Questions about Dennis Leber

Who is the CISO of Erlanger Health System?
Dennis Leber is Chief Information Security Officer at Erlanger Health System. The appointment was announced on February 7, 2026, per Becker's Hospital Review.
When did Dennis Leber become CISO of Erlanger Health System?
The appointment was announced on February 7, 2026, per Becker's Hospital Review. The record holds the announcement, not a start date.
Where did Dennis Leber work before Erlanger Health System?
Before the appointment, Dennis Leber was Cybersecurity Solutions Architect at Avalon, according to the announcement (Becker's Hospital Review).

Sources

  1. 1.Becker's Hospital Review ↗: the appointment at Erlanger Health System, February 7, 2026
  2. 2.CISO Spotlights career profile ↗: a fuller career profile on a sister site

This record begins with CISO Tribune's tracking in 2026.

Related guides