The Department of the Navy, Washington, D.C., has appointed Aaron Weis as the department's chief information officer.
Gen. Mark A. Milley, USA, has been sworn in as chairman of the Joint Chiefs of Staff.
Maj. Gen. James B. Jarrard, USA, has been assigned as commanding general, 25th Infantry Division, Schofield Barracks, Hawaii.
Chief Master Sgt. Ramon Colon-Lopez, USAF, has been assigned as the senior enlisted advisor to the chairman of the Joint Chiefs of Staff, Washington, D.C.
The National Science Foundation (NSF), Alexandria, Virginia, has selected Margaret Martonosi as head of the Directorate for Computer and Information Science and Engineering.
NASA, Washington, D.C., has appointed Douglas Loverro as the agency's associate administrator for the Human Exploration and Operations Mission Directorate.
The Johns Hopkins University School of Advanced International Studies, Washington, D.C., has named Paula G. Thornhill associate director of the strategic studies program and associate professor of the practice of strategic studies.
Metis Technology Solutions, Albuquerque, New Mexico, has named James (Jim) Theiss as its first vice president, Space and IRAD Programs.
Fadi Pharaon has been appointed senior vice president and head of market area Middle East and Africa at Ericsson, Stockholm, and a member of Ericsson's executive team.
Celerium Inc., El Segundo, California, has appointed Tommy McDowell as vice president of strategy for its Cyber Defense Network solution.
Gen. James Mattis, USMC (Ret.), has joined The Cohen Group, Washington, D.C., as a senior counselor.
Cadence Aerospace, Everett, Washington, has appointed Anthony (Tony) E. Lawson as vice president and general manager of Cadence Aerospace—Giddens Industries.
Advanced Concepts and Technologies International LLC, Arlington, Virginia, has appointed Shawn J. Jenkins as senior director of human resources.
Exclusive Networks, San José, California, has appointed Vanessa Delrieu as vice president of finance and operations North America.
Dwight Campbell has joined Sentar, Huntsville, Alabama, as director of Army programs.
Sandia National Laboratories, Livermore, California, has appointed Andrew McIlroy the new associate laboratories director.