People In Aviation: November 2017
Jim Ziegler takes to role of vice chairman of Greenwich Air Group, Ralph Michielli joins Exclusive/Customer Jet Charters as president.

Jim Ziegler, who has served as president and CEO of Greenwich AeroGroup for the past eight years, is taking the new role as vice chairman. Ziegler, a former Jet Aviation and Bombardier executive, will continue to steer business strategy, industry relations and acquisition activity. Ralph Kunz, a six-year company veteran who has served as vice president and general manager of Greenwich’s Summit Aviation and TruAtlantic Manufacturing businesses, has taken the newly created role of COO. Kunz has three decades of aerospace experience, having formerly served with Parker Hannifin, Vector Aerospace, Keystone Helicopters, SEI of America and Airborne Tactical Advantage.


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