Our Leadership Team

Keith Johnson
Vice President and General Manager
kjohnson@gopaa.com
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Keith joined the Professional Aircraft Accessories team in 2020 as the company's Director fo Operations, Materials and Production Control. He was promoted to Vice President/GM in late 2023. His aviation experience spans more than three decades, having previously served in senior roles at Delta Air Lines, Comair, Air Wisconsin Airlines Corporation, AAR Aircraft Services, Commercial Jet and AAR Airlift Group. Keith is a U.S. Air Force veteran, having served for almost 12 years. He and his wife Kim live in the West Melbourne area and have two adult children.
Alan C. Tish
Director of Quality & Safety
Accountable Manager
atish@gopaa.com
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Alan Tish joined Professional Aircraft Accessories in 2006 after serving in the United States Marine Corps as a flightline mechanic on AH-1Z Cobra and UH-1N Huey helicopters. He launched his PAA career in the Landing Gear shop and quickly advanced through positions of increasing responsibility, including Lead Technician and Return-to-Service Inspector, before eventually overseeing the repair station as Chief Inspector. Alan later served as Senior Manager of Engineering and Repairs and as Director of Materials and Engineering, overseeing multiple departments and driving cost reduction and reliability initiatives. In his current role, he is responsible for all airworthiness and regulatory compliance for the repair station, ensuring PAA’s continued commitment to quality, safety and operational excellence.
Eric Knight
Director of Operations
eknight@gopaa.com
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Eric has been an integral part of Professional Aircraft since 2000, contributing over 25 years of invaluable aviation experience to his current role as Director. Over the years, he has undertaken diverse roles at PAA, ranging from Technical positions to Supervision and Quality Inspection.

Beginning his aviation career in the USAF, Eric garnered early expertise in Aircraft Landing Gear maintenance and replacement. His hands-on experience, spanning on-wing maintenance to component-level overhauls, has been instrumental in shaping him into the accomplished professional he is today. Eric's wealth of knowledge and extensive background make him a valuable asset in his current leadership role at Professional Aircraft.
Headshot of Fritz Theinert, Finance Director for Professional Aircraft Accessories
Jason Barnett
Director of Finance
jbarnett@gopaa.com
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Jason Barnett joined Professional Aircraft Accessories in October 2022 as Director of Finance. Jason has over 24 years of experience in Operational Finance, Financial Planning & Analysis, Technical Accounting, Financial Systems, Internal Controls, and Investor Relations. He graduated with a BA in Accounting and holds a Master of Business Administration from Michigan State University. Jason began his career in public accounting as an auditor at PwC then worked in industry at General Motors and most recently at L3Harris. He brings experience in transforming the finance function to maximize efficiency in a well-controlled environment while focusing on maximizing financial results with a strong customer focus. He is married with two children and resides in Viera, Florida.
Derante’ Ellison
Director of Sales & Business Development
dellison@gopaa.com
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Derante’ joined Professional Aircraft Accessories in 2017 and has nearly 20 years of experience in the aviation industry. As a sales professional, he is dedicated to customer satisfaction, revenue growth, and bottom-line results. He specializes in sales, strategic planning, KPIs, lean methodologies and marketing. His deep market understanding, and strategic approach ensure we consistently deliver top-tier service.
Leadership Team: Headshot of Maya Villorente, Human Resource Manager for Professional Aircraft Accessories
Maya Villorente
Human Resources Manager
mvillorente@gopaa.com
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Maya Villorente joined the Professional Aircraft Accessories team in 2014. She received a bachelor’s degree in sociology from University of California, Berkeley, and then pursued a graduate degree in global communications from Florida Institute of Technology. In her current role as Human Resources manager of PAA, Maya plans, directs and coordinates HR activities and staff, including the oversight of evaluation, classification and rating of occupations and job positions. She serves as a link between management and employees, and strives to foster a positive environment and attitude toward organizational objectives.
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