Unical Leadership
Led by Chief Executive Officer Sharon Green, Unical's leadership comprises seasoned professionals with extensive experience in aviation operations, sales, finance, IT, asset management, and MRO. Our leaders bring decades of industry expertise, driving innovation, growth, and operational excellence across diverse aviation sectors. Together, they lead Unical with a commitment to delivering top-notch solutions and services to our customers worldwide.
Sharon Green
Chief Executive Officer
Sharon Green
Chief Executive Officer
Sharon draws on her more than 35 years of aviation experience including leadership roles in operations, finance and management.
Additionally, she commands an extensive understanding of the aviation industry with prior C-level roles at The Memphis Group and as the Chief Executive Officer for GECAS’ Materials, a premier distributor of airframe and engine components.
Stefan Haynes
Chief Commercial Officer
Stefan Haynes
Chief Commercial Officer
Stefan has more than 25 years of aviation sales leadership experience. Most recently he served for 7 years as Chief Commercial Officer for GECAS’ Materials. Before GECAS, Stefan held senior sales leadership roles with AerSale, GA Telesis and VAS Aero Services.
Derrick Doud
Chief Financial Officer
Derrick Doud
Chief Financial Officer
Derrick brings to the team more than 30 years of experience in both public and private equity companies in key financial positions and most recently as the CFO. He has a proven track record of restructuring financial and business information teams to support the transformation in operations and business growth.
Before joining Unical, Derrick was CFO of HMT, the leader in above-ground storage tank solutions. Prior to HMT, Derrick served as the CFO for Express Energy Service, an oil and gas service company.
David Vollrath II
Chief Operating Officer
David Vollrath II
Chief Operating Officer
David is a determined leader with an extensive 34-year career in the aviation industry. Most recently, Mr. Vollrath served as the President and CEO for Safran Power USA, LLC where he was responsible for three operational sites and 800 team members, which included OE and MRO operations. Prior to Safran Mr. Vollrath held roles as Business Unit Director, Parker Aerospace; Director of Customer Support and Aftermarket Services, DRS Training and Control Systems; Senior Manager, Aftermarket Services and Customer Support for Rolls-Royce and Senior Manager, Technical Operations and Engine Management for American Trans Air. David holds a Bachelor of Science in Professional Aeronautics from Embry-Riddle Aeronautical University and holds a degree in Aviation Maintenance Technology from Vincennes University and an active A&P license.
Jennifer Torlone
Chief Information Officer
Jennifer Torlone
Chief Information Officer
Jennifer has more than 30 years of information technology experience including more than 20 years of experience in the industrial manufacturing space. She has held various leadership roles at Fortune 500, publicly traded, and privately held companies with global reaches.
She has successfully positioned companies to become a leader in technology, modernizing internal and external applications, architectures, and infrastructures.
David Dicken
Executive VP of Asset Management
David Dicken
Executive VP of Asset Management
Darrell Drake
SVP, Unical Engines
Darrell Drake
SVP, Unical Engines
Rong Wang
SVP, Sales Asia Pacific
Rong Wang
SVP, Sales Asia Pacific
Rong joined Unical in 2013 and took full charge of Unical’s sales operations in 2015, achieving sales growth from ~ $170M to ~ $310M annually. Rong has over 28 years of experience in the aviation field including roles in the engine overhaul plant, line maintenance division, heavy maintenance hangar, components shops, planning, purchasing, supply chain, quality, lean and Kaizen management. Rong earned her Master of Commerce in International Professional Accounting, certified by the University of New South Wales, Australia, and holds a Bachelor’s Degree in Technical German from Shanghai Tongji University. Rong is a Certified ACCA affiliate (UK CPA) and Certified Purchasing Manager.
Pete Allwood
SVP, Sales EMEA
Pete Allwood
SVP, Sales EMEA
Conrad Vandersluis
SVP, Strategic Programs & Acquisitions
Conrad Vandersluis
SVP, Strategic Programs & Acquisitions
Conrad has over 35 years of experience in the aviation industry including roles in commercial and asset management at AJW Group and Skybrakes and sales at Flightspares Ltd. His background includes successfully optimizing inventories, streamlining operational costs and strategic planning and coordination of aircraft parts to support customer needs and market demand.
Nick Gimbel
SVP & General Manager, Unical 145
Nick Gimbel
SVP & General Manager, Unical 145
Nick has over 15 years of experience in the 145/MRO aviation industry, developing high performing MRO operations through lean initiatives, operational excellence, and a focus on process efficiencies. Nick has previously held senior leadership roles with GA Telesis, Velocity Aerospace, and AllClear Repair Services. He received his Master of Science in Engineering Management at Florida International University and received his Six Sigma Green Belt certification at Villanova University.
Jason Richards
General Manager, Unical MRO
Jason Richards
General Manager, Unical MRO
Stephanie Schwartz
SVP, Human Resources
Stephanie Schwartz
SVP, Human Resources
Stephanie is a Human Resources Executive with 30 years of experience in a variety of sectors including the aerospace manufacturing space. She has held leadership roles at publicly traded, privately held, venture capital and private equity backed organizations.
Her background includes expertise in Leadership Development and increasing capabilities of Human Resources Departments to better support leaders resulting in increased focus successful business operations.
Join the Unical team
Visit our Careers page to learn more about working at Unical and to search for open positions
Certifications and Quality Standards
Over the years, Unical has maintained high quality standards, which has made it possible to earn many certifications that demonstrate our commitment to customers and the industry.
Office Locations + Phone Numbers
Phone Numbers
Sales: 1.909.348.1700
AOG: 1.626.337.2108
Unical Headquarters
15132 W Camelback Road
Glendale, AZ 85340 USA
Unical UK Office
2 Guildford Business Park Rd.
Guildford GU2 8XG
United Kingdom
22
Unical Engines
3350 SW 148th Ave. Ste 110
Miramar, FL 33027 USA
Unical MRO
225 S. Leland Norton Way, Bay 1
San Bernardino, CA 92408 USA
Contact Us
We make it convenient to get in touch with us any time of day. Whether you’re looking to book hangar space for storage or you need help finding a unique part, we’ll be there to assist you along the way.