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About JSSI

We are a team of passionate professionals, keeping customers flying through superior service, shaped by a culture of collaboration, innovation and integrity, striving for excellence in the aviation industry.

Our Story

For over 30 years, Jet Support Services, Inc. (JSSI), has been the leading independent provider of maintenance support and financial services to the business aviation industry. JSSI offers Hourly Cost Maintenance (HCM) Programs to manage the often unpredictable costs of operating virtually all makes and models of aircraft, engines and auxiliary power units (APUs). The company is responsible for maintaining in excess of 2,000 business jets, turboprops, regional jets and helicopters across the globe and serves customers through its unique infrastructure of expert technical advisors.

JSSI leverages this extensive technical knowledge, maintenance buying power and data to support every stage of the aircraft life cycle, from aircraft acquisition to disassembling and parting out the aircraft. JSSI Parts & Leasing sells aircraft parts, provides lease engines and APUs, and offers supply chain solutions as a service to large fleet operators. JSSI Advisory Services and Conklin & de Decker harness this technical experience and global reach to power a complete range of consulting and digital services utilized by operators, aircraft brokers, and service providers across the industry.

In 2020, JSSI was recognized as a US Best Managed Company.

JSSI is founded.

Jet Support Services, Inc. (JSSI), was formed in 1989 to provide hourly cost maintenance programs for in-service business jets.

1989

JSSI introduces Tip-to-Tail® coverage.

JSSI launches its signature Tip-to-Tail® program to cover all airframe, engine, and APU maintenance costs.

1999

JSSI is acquired.

The company is acquired by RH Book Enterprises and 1848 Capital Partners, LLC, in 2008.

2008

JSSI enrolls VistaJet fleet.

VistaJet and JSSI reach deal for record-setting enrollment of 50 Global 5000 and Global 6000 aircraft and BR710 engines.

2013

JSSI launches JSSI Parts.

JSSI Parts capitalizes on decades of data and the global reach and buying power of JSSI to build a vast parts inventory to better serve existing clients and support new customers.

2014

JSSI introduces AMP.

The launch of this innovative financial tool provided the market with the latest data on the values of aircraft within a portfolio.

2016

JSSI launches JSSI Advisory Services.

JSSI Advisory Services offers a new range of consulting services driven by JSSI’s global network of Technical Advisors and more than 30 years of operational data.

2017

JSSI acquires Conklin & de Decker.

Combining the vast data set of the industry leader in aviation research with 30 years of JSSI maintenance data enables JSSI to provide the business aviation market with an entirely new level of information and transparency.

2018

JSSI is named a US Best Managed Company.

The US Best Managed Companies program recognizes successful private companies by shining a light on how well they are run, what they have achieved, and the contributions they make to their industries, people and communities.

2020

JSSI announces recapitalization partnership with GTCR.

JSSI begins an exciting new chapter and embarks on a new phase of growth in partnership with GTCR, a premier private equity company with a proven track record of successful investments in the business aviation sector.

2020

JSSI acquires SierraTrax.

JSSI adds maintenance tracking software to its suite of digital services, blending insight from industry leader SierraTrax with 30+ years of operating cost data to help owners and operators manage their aircraft more efficiently.

2021

Our Leadership

Neil Book

Position: Chairman & CEO

As Chairman and Chief Executive Officer, Neil provides leadership and direction to the entire organization.

Prior to joining JSSI in 2012, Neil served as Vice President of Mobility for Juniper Networks, directing its mobile security business unit. His role at Juniper began in 2010, in connection with their acquisition of SMobile Systems, where he had served as President and Chief Executive Officer. Neil began his career at AT&T where he held various management positions. Neil is a graduate of the University of Delaware, class of 1999.

 

Neil Book

Chairman & CEO

Ken Goodman

Position: Chief Financial Officer

As Chief Financial Officer, Ken Goodman serves as the senior financial officer of JSSI. Ken leads and is responsible for all finance and accounting activities including: financial planning and analysis, general accounting, accounts payable, accounts receivable, credit and collections, tax, treasury, and internal controls.

Prior to joining JSSI, Ken spent over seven years with NetJets, a $5 billion subsidiary of Berkshire Hathaway, as their Senior Vice President, Financial Planning and Analysis (FP&A), leading their FP&A and Maintenance Finance teams. This role included all financial analysis and contract negotiations support for aircraft acquisitions and aircraft maintenance agreements. Ken’s career began as a Financial Analyst at American Airlines, where he spent more than six years in a variety of roles. Subsequently, he spent eight years with L Brands, a $10 billion publicly-traded specialty retailer that includes the Victoria’s Secret, PINK, and Bath & Body Works brands. Ken received his undergraduate degree in economics from the University of Rochester, class of 1985, and his M.B.A. finance degree from Cornell University’s Johnson Graduate School of Management, class of 1989.

Ken Goodman

Chief Financial Officer

Paul Rahe

Position: Senior Vice President & General Counsel

Paul Rahe joined JSSI as Senior Vice President and Assistant General Counsel in August 2011 and became General Counsel in 2016. Paul is responsible for all aspects of the company’s legal affairs, including client and vendor relationships, strategic transactions, corporate governance and general corporate matters, and also serves as the company’s Compliance Officer.

Prior to joining JSSI, Paul was Managing Director, Associate General Counsel and Assistant Corporate Secretary for PrivateBancorp, Inc. (now CIBC Bancorp USA) and The PrivateBank and Trust Company (now CIBC U.S.). From 1999 to 2009, Paul practiced law with Schiff Hardin LLP in Chicago, where he represented a broad range of private and public companies, including private equity firms and their portfolio companies, in merger and acquisition transactions, the issuance of securities, corporate governance and other general corporate matters. Paul was previously an associate in the Indianapolis, Indiana, office of Baker Daniels (now Faegre Drinker) from 1996 to 1999. Paul graduated from Indiana University in (1993) and from the University of Virginia School of Law in 1996.

Paul Rahe

Senior Vice President & General Counsel

Joy Nebel

Position: Senior Vice President, Transformation & Marketing

As Senior Vice President, Transformation & Marketing, Joy Nebel leads the company’s Digital Transformation Team. Additionally, Joy oversees Office Services and Marketing.

Prior to joining JSSI, Joy served as Program Services Manager for Juniper Networks, supporting the Mobile Security OEM and Strategic Technical Partners business units. Her role at Juniper began in 2010, in connection with their acquisition of SMobile Systems, where she had served as Director of Strategic Alliances and Channel Partners. Joy received her bachelor’s degree from the University of Georgia.

Joy Nebel

Senior Vice President, Transformation & Marketing

George Kleros

Position: Senior Vice President, JSSI Advisory Services

George Kleros is responsible for operational oversight of JSSI Advisory Services, including the appraisal, asset inspection and maintenance event management products. He has over 30 years of aviation maintenance experience in areas including management, field support services and appraisals for business jet aircraft.

George was previously Eastern Region Customer Service Manager for Rolls-Royce North America and, prior to that position, was the Technical Support Manager with JSSI for almost a decade. George also held a field support position with Textron Flight Services and was the Director of Maintenance for an air carrier fleet. He also held the position of President for an aircraft maintenance company with multiple satellite facilities supporting charter operations, flight schools, and retail maintenance. George currently serves on the maintenance airworthiness committee for the General Aviation Manufacturers Association, is a board member of the Westchester Aircraft Maintenance Association, and serves on the Embry-Riddle Aeronautical University Aviation Maintenance Science Industry Advisory Board. George holds an FAA rating for Powerplant and Airframe, with additional privileges as a holder of an Inspectors Authorization. He is an accredited Senior Appraiser through the American Society of Appraisers in the Machinery and Technical Specialties discipline with a specialty in aviation.

George Kleros

Senior Vice President, JSSI Advisory Services

Mark Winzar

Position: Senior Vice President, Business Development EMEAA

Mark Winzar brings many years of aviation experience to his role as Senior Vice President, Business Development – EMEAA. Mark joined JSSI in 2009 as a Technical Services Representative and was promoted to Technical Services Manager two years later. In February 2014, Mark was promoted to Vice President Technical Services, heading the JSSI global technical support team. He was integral in setting up the JSSI office in Hong Kong and expanding the business in Asia. Today, he leads business development activities in the EMEA and APAC regions.

Mark began his aviation career as a helicopter engineer in the UK and spent eight years specializing in military helicopters with the Ministry of Defense. From there, he moved into commercial business before joining the BBA central sales team at H+S Aviation. During this time, he was responsible for generating business on all engine types covered within the BBA group. After four years, Mark was promoted to Commercial Manager and was part of the team that set up the new PWC JT15D program at H+S, the company’s first fan engine type. He was also responsible for the combined commercial operations of both the Field Service and JT15D programs.

Mark Winzar

Senior Vice President, Business Development EMEAA

Francisco Zozaya

Position: Senior Vice President, Global Business Development

As Senior Vice President, Global Business Development, Francisco Zozaya provides leadership to the organization’s activities throughout North America and Latin America. Additionally, he oversees the suite of Conklin & de Decker digital solutions and JSSI Advisory Services.

Prior to joining JSSI, Francisco served as Pre-Owned Director at Aerolineas Ejecutivas, managing its pre-owned aircraft sales and acquisitions business unit. He facilitated several key industry alliances and memberships for Latin America’s largest business aviation company and has established an extensive network with the global broker community, financial institutions, OEMs and MROs. Francisco graduated from Universidad Iberoamericana in Mexico City as an industrial engineer.

Francisco Zozaya

Senior Vice President, Global Business Development

Tim Ferrell

Position: Senior Vice President, Technical Services

Tim Ferrell leads JSSI’s team of Technical Advisors and Product Line Specialists, providing global support for Hourly Cost Maintenance Program and JSSI Advisory Services clients. He has over 20 years of aviation maintenance experience as an engineer and aircraft maintenance technician. 

A longtime JSSI employee, Tim has held the positions of Technical Advisor, Regional Tech Manager and Director of Engine Programs. Passionate about the JSSI brand, Tim supports many crossdepartmental initiatives that create industryleading product offerings. He holds a Bachelor of Science degree in aeronautical technology from Purdue University and is a FAAlicensed A&P Technician. 

Tim Ferrell

Senior Vice President, Technical Services

Ash Reddy

Position: Senior Vice President, Global Strategy & Operations

As Senior Vice President, Global Strategy & Operations, Ash Reddy is responsible for providing strategic direction to the JSSI organization worldwide. Additionally, Ash oversees Pricing, Corporate Development, Client Services, Human Resources, and business development opportunities for large fleets.

Prior to joining JSSI, Ash held positions of increasing responsibility in strategy, M&A, and corporate finance with Mars, Accenture, and Grant Thornton. An Illinois Wesleyan University graduate with a bachelor’s degree in economics, Reddy also holds a master’s in finance from the University of Notre Dame.

Ash Reddy

Senior Vice President, Global Strategy & Operations

Ben Hockenberg

Position: President, JSSI Parts & Leasing

As President of JSSI Parts & Leasing, Ben Hockenberg provides strategic guidance and overall leadership to the aircraft parts and leasing organization. Additionally, Ben has responsibility for the company’s maintenance event management and insurance claims management service offerings.

In his role prior to joining JSSI Parts & Leasing, Ben was focused on investing in the aerospace sector. He has worked in investment banking, private equity, and credit investing at Deutsche Bank, The Pritzker Organization, Venor Capital, and Greenbriar Asset Management. He holds an MBA from Kellogg School of Management and a bachelor’s degree in business administration from the University of Michigan.

Ben Hockenberg

President, JSSI Parts & Leasing

Jim Sellers

Position: Chief Commercial Officer, JSSI Parts & Leasing

As Chief Commercial Officer, Jim Sellers is responsible for driving the parts trading and aircraft acquisition businesses, including all teardown, part-out and leasing initiatives.

Prior to being named Chief Commercial Officer, Jim co-founded JSSI Parts & Leasing and was instrumental in its early success across every facet of the business. He has an extensive background in aviation with a focus on the buying and selling of parts, including roles at Prime Air, a HEICO Aerospace Company; Chase Aerospace; and AAR Corporation. Jim holds an MBA from Elmhurst College and a bachelor’s degree from Western Illinois University.

Jim Sellers

Chief Commercial Officer, JSSI Parts & Leasing

Our Board of Directors

Neil Book

Position: Chairman & CEO

As Chairman and Chief Executive Officer, Neil provides leadership and direction to the entire organization.

Prior to joining JSSI in 2012, Neil served as Vice President of Mobility for Juniper Networks, directing its mobile security business unit. His role at Juniper began in 2010, in connection with their acquisition of SMobile Systems, where he had served as President and Chief Executive Officer. Neil began his career at AT&T where he held various management positions. Neil is a graduate of the University of Delaware, class of 1999.

 

Neil Book

Chairman & CEO

Mark M. Anderson

Position: Director

Mark joined GTCR in 2000 and is currently a Managing Director of the firm. He previously worked at Gracie Capital and at Bowles Hollowell Conner & Co. He holds an MBA from Harvard Business School and a BS from the McIntire School of Commerce at the University of Virginia.

Mark currently is a Director of CommerceHub, Gogo, Inc., Jet Support Services Inc. and Vivid Seats. In addition, Mark was previously a Director of GTCR’s past investments including Beeline, CAMP Systems, Cision, Global Traffic Network, Land Lease Group, Landmark Aviation, Lytx and XIFIN and was instrumental in other GTCR investments including Skylight Financial, Solera and Transaction Network Services.

Mark is a member of the Chicago-area Jefferson Scholars Selection Committee for the University of Virginia.

Mark M. Anderson

Director

Craig A. Bondy

Position: Director

Craig joined GTCR in 2000 and is currently a Managing Director of the firm. Previously, Craig worked in the investment banking department at Credit Suisse First Boston in both Chicago and London. He holds an MBA from Stanford University and a BBA in finance with high honors from the Business Honors Program at the University of Texas.

Craig is the head of the Technology, Media & Telecommunications group at GTCR and is currently a Director of Dreamscape, EaglePicher Technologies, Jet Support Services Inc. and Simpli.fi. In addition, Craig was previously a Director of GTCR’s past investments including Avention, CAMP Systems, CellNet, DigitalNet, Fairway Outdoor, Landmark Aviation, Six3 Systems, Solera, TransFirst and VeriFone.

Outside of GTCR, Craig spends significant time on the Board of Communities In Schools of Chicago, a non-profit organization that connects public school children with free social, emotional, health and enrichment programs. He also serves on the Advisory Council of the McCombs School at the University of Texas, and the GSB Management Board at Stanford University.

Craig A. Bondy

Director

Nelson Iginla

Position: Director

Nelson joined GTCR as a Vice President in 2019. Previously, he worked as an Associate at Bain Capital and as an Associate at the Boston Consulting Group. Nelson holds an MBA from Stanford University and a BA summa cum laude in political science from the University of Pennsylvania.

Nelson is currently a Director of EaglePicher, Jet Support Services Inc. and Simpli.fi.

Nelson Iginla

Director

Associations

NBAA
National Business Aviation Association

GAMA
General Aviation Manufacturers Association

IADA
International Aircraft Dealers Association

NAFA
National Aircraft Finance Association

EBAA
European Business Aviation Association

AsBAA
Asian Business Aviation Association

RAA
Regional Airline Association

HAI
Helicopter Association International

AfBAA
African Business Aviation Association

MEBAA
Middle East and North Africa Business Aviation Association

ABAA
Australian Business Aviation Association

BHA
British Helicopter Association

Corporate Citizenship

We are proud to be good neighbors and participate in events and programs that support our company strategy around the world.


Ronald McDonald House Charities

Ronald McDonald House Charities of Central Ohio creates, finds and supports programs that directly improve the health and well-being of children and families in the region.

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Pat Tillman Foundation

The Pat Tillman Foundation provides academic scholarships, professional development opportunities and a national network to empower military service members, veterans and spouses.

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Making Dreams Soar

JSSI supported Shaesta Waiz’s record-breaking solo flight around the world. The aim of this important global mission is to encourage more women to pursue STEM and aviation-related degrees.

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Marine Corps Scholarship Foundation

Marine Corps Scholarship Foundation provides academic scholarships to children of United States Marines and Navy Corpsmen.

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Promoting STEM Education Through Aviation

The annual GAMA Build A Plane Aviation Design Challenge promotes Science, Technology, Engineering, and Mathematics (STEM) knowledge among high school students.

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Providing Lifelong Benefits to Students

It Takes a Village Chicago (ITAV) provides physical education facilities, resources and tools to students at inner city schools. ITAV prides itself on engaging in hands-on assistance and mentoring.

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