Brian Callahan, CEO at ISN Software
3.8avg score

Brian Callahan

ISN SoftwareISN Software

CEO

100% would work again
Average Boss· top 40%

Leadership

4.0

Trustworthiness

4.0

Smarts

3.5
Based on 2 reviews
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Reviews (2)

Former Employee
Aug 8, 2026
Leadership
Trustworthiness
Smarts
Would work again: Yes

Comments

Other
Jun 13, 2026
Leadership
Trustworthiness
Smarts

Cares about his employees but is occasionally out of touch. Has extremely specific preferences for things that don’t really matter and just annoy the teams and make their jobs harder.

Would work again: Yes

Comments