Lockheed Martin Corporation (NYSE: LMT) appointed Jenna McMullin as senior vice president and chief communications officer, effective immediately.

McMullin will lead the company's global communications organization and oversee enterprise communications strategy, media relations, brand, digital engagement, employee communications and stakeholder communications.

"Jenna brings deep experience in strategic communications and a strong track record of leadership across complex, global organizations," said Stuart Holliday, chief public affairs officer.

McMullin has more than 20 years of experience in strategic communications, reputation management and organizational leadership across aerospace, defense and technology sectors. She began her career as a civilian public affairs officer for the Air Force.

The appointment reflects Lockheed Martin's focus on communications strategy as the defense contractor manages relationships with employees, customers, partners and communities globally.