CISO appointment
Gigamon appoints Grant Yacomeni as Chief Information Security Officer
Grant Yacomeni is the Chief Information Security Officer of Gigamon. Grant joins from United States Intelligence Community (including the Department of Defense), where they served as Leadership roles in enterprise security programs and 24/7 defensive cyber operations.
Records: Gigamon · Grant Yacomeni
| Person | Grant Yacomeni |
|---|---|
| New role | Chief Information Security Officer |
| Company | Gigamon |
| Previous role | Leadership roles in enterprise security programs and 24/7 defensive cyber operations, United States Intelligence Community (including the Department of Defense) |
| Announced | September 3, 2026 |
| Source | cyberriskleaders.com |
What this move signals
Gigamon appointed Grant Yacomeni as CISO, with the role reporting to COO Gareth Maclachlan. Yacomeni will lead information and product security, cybersecurity and IT operations, and governance, risk, and compliance (GRC).