Complex sentence: Aaron Shenhar Dr. is also an experienced manager and executive in the Israeli Navy, before joining the defense industry, where he has been involved in managing projects, innovation, R&D, and high technology businesses for almost 20 years.
Split into simpler sentences: Aaron Shenhar Dr. is also an experienced manager and executive. He served in the Israeli Navy, before joining the defense industry, where he has been involved in managing projects, innovation, R&D, and high technology businesses for almost 20 years.