CAPT Arne Nelson, USN (Ret)

CAPT Arne Nelson, USN (Ret) is the NHA Scholarship President.

Vice President, Operations/Executive Vice President

CAPT Jim Toone, USN (Ret.)


Vice President, Fundraising


Corresponding Secretary

LT Caleb Derrington, USN

Caleb “gump” Derrington is the Corresponding Secretary for the NHA Scholarship Fund. He is a US Navy Lieutenant and Instructor Pilot at HSC-3, the Fleet Replacement Squadron for the MH-60S in San Diego, CA. Before HSC-3, he deployed twice in the Pacific with the HSC-25 Island Knights aboard USS Bonhomme Richard and USNS Charles Drew. Caleb earned a Bachelor of Science (BS) within Biochemistry from Lyon College with follow-on degrees from the University of Central Arkansas. In his free time, he enjoys hiking, spending time with his wife Christina, and arguing about college football with his chihuahua, Blue Derrington.

CFC/Special Projects

LT Joe Brown, USN



Jim Rosenberg

Prior to retirement, Jim managed the Applications Global Support organization at Applied Materials, supporting over 12,000 business and engineering customers. Before this, Jim established and managed the Project Accounting organization supporting various NASA and DoD initiatives. Jim holds an MA in corporate finance and BA in accounting. Now in retirement, Jim enjoys traveling with his wife, is an active scuba diver and underwater photographer, and does a variety of volunteer work including ushering for the San Diego Symphony.