Samsung Electronics has appointed the former CIO of the U.S. Department of Defense to help a global push to expand its mobile enterprise business.

served as chief information officer at the Pentagon from 2015 until this year. Before that, he served as deputy commander of the Navy Cyber Forces and deputy commander of the Naval Network Warfare Command.

At Samsung, he will be an executive vice president and global enterprise advisor to J.K. Shin, president of Samsung’s Mobile Communications division.

Samsung said it wants Halvorsen to help expand its business in the corporate, government, and regulated industries space, where there are higher demands on security.

for the new Samsung S8 and S8 Plus smartphones in South Korea. The phone is the first flagship handset on sale since the Note 7 problems, and those preorders outpace the S7 and S7 Plus.