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Arizona Airports Association

2025 Annual "dutch bertholf" spring conference speakers and moderators

April 27, 2025 - April 29, 2025

Conference Speakers

Jean Marie Rieck, M.S., QAWB, CEI

Jean Marie Rieck is an Environmental Planner and Senior Biologist at JE Fuller / Hydrology & Geomorphology, Inc. She specializes in National Environmental Policy Act (NEPA) planning, Endangered Species Act (ESA) compliance (threatened and endangered species surveys and reporting), Clean Water Act (CWA) Section 404 and 401 compliance, natural resource and rangeland management, noxious or invasive inventories and mitigation, and technical writing. She is also a Certified Environmental Inspector (CEI; for conducting Phase I Environmental Site Assessments) and an FAA Qualified Airport Wildlife Biologist (for conducting Wildlife Hazard Assessments and producing Wildlife Hazard Management Plans for airports). She holds a master’s degree in biological science and has broadened her interdisciplinary knowledge in the areas of regulatory compliance, hydrology, GIS, statistics, and science education.

As an environmental consultant, Jean Marie has managed projects for municipalities and counties, private clients, and nearly every federal land management agency with a presence in the western United States and Hawaii. Several of her recent planning or NEPA projects have been both large and contentious, involving extensive stakeholder/public involvement and agency/tribal/Native Hawaiian consultation. As a wildlife biologist with extensive experience and training surveying for rare and threatened and endangered (T&E) in the Southwest, Jean Marie is comfortable working in nearly any western ecosystem. She also has a wide variety of recent experience conducting Waters of the U.S. delineations and wetland delineations in Nevada, New Mexico, and Arizona. As an FAA Qualified Airport Wildlife Biologist, Jean Marie has conducted wildlife studies and helped Part 139 and General Aviation airports to manage wildlife hazards in Arizona, California, Utah, and Nevada.

Dr. Sarah J. Nilsson, Esq.

Sarah Nilsson has both an aviation and a legal background.

She began her pilot career in 1994 and has run a flight school at a local high school magnet program, flown cargo aircraft, and business jets, having been typed in a Citation. She holds an FAA Airline Transport Pilot (ATP) certificate in multi and single engine fixed-wing airplanes, a gold seal flight instructor CFI, CFII, MEI, a small UAS or drone pilot certificate and a TRUST certificate. She also holds North Carolina’s Division of Aviation UAS Operators Knowledge Test Certificate of Completion. In Canada, she holds Transport Canada’s Pilot Certificate in Small Remotely Piloted Aircraft Systems (RPAS), Visual Line-of-sight (VLOS). Sarah holds UK’s Drone and model aircraft certificate in A1 & A3 Open Subcategory.


Mike DiCosola

Mike DiCosola is the CEO of Drone Industry Systems Corp (DISC), an autonomous drone infrastructure solutions company, Vertiport Infrastructure Systems Corp. (VISC) a vertiport infrastructure solutions company, and Alpha Omega, a General Contracting and Developer Company. He is the inventor of over a 40 conceptual utility process provisional and non-provisional pending patents, both domestically and in 39 countries. He has over 40 drone IP brand logos, over 30 vertical market brand trademarks and over 700 URLs directly related to drone and vertiport infrastructure, drone VTOL delivery and drone specialty services that he has created, modified, and filed over the last 10 years to support the software and hardware components and smart AIML autonomous uncrewed droneport and vertiport multimodal infrastructure system in the unmanned UAV and AAM industries. He is also the author and inventor of 5 mini series thesis books in 2020 on the subject of AIML - SMS, SRM, QA, SA, and QRM, as a next gen solution to safety solutions. Mike is a member of the MITRE / FAA UAS Drone Safety Team (DTS), SMS WG and Co-Chair of the MITRE/FAA DDAS-DATA WG. In 2023, he participated in a two-day US Airforce disaster relief and tactical strategy think tank, and is a Proud Member and Board of Advisor of Neptune Shield.


Jack Penning

Jack is a leader in air service development and strategic business planning. In 2017, he joined three other partners in founding Volaire Aviation Consulting. Since that time, Volaire has worked for more than 110 airport clients throughout North America, including Tucson, Safford, and Bullhead City in Arizona.  Jack is the consultant of record for airports as large at Atlanta’s Hartsfield-Jackson alongside airports seeking their first scheduled airline service.

Jack’s business cases for new service have led to the initiation of more than 150 new routes. In his 25 year career, he has won more than $20 million in funding for air service development projects, both at the federal and state level. He also works with local businesses and community organizations to develop local funding for air service projects. Jack’s community development efforts have netted more than $30 million for enhanced air service.

By nature of his work, Jack is proud to say that he can live anywhere in the world, and he and his wife choose to live in the beautiful Catalina Foothills, north of Tucson.


Timothy McCulloch

Timothy I McCulloch is the founder and managing partner of the firm. He is licensed in Arizona and California. He represents and assists aviation operators in most major metropolitan areas in the United States. He represents numerous commercial aircraft operators, flight schools, fixed-based operators and airport sponsors. He represents banking institutions seeking to judicially or nonjudicially foreclose upon aircraft loans. He has defended aircraft operators, fixed based operators and airport sponsors against negligence claims. He has first-hand experience with airport land use, Part 16 complaints, permitting, noise, hangar condominium development, environmental, and grant assurance compliance issues and has negotiated through the fence agreements both on behalf of airports and developers. He has litigated disputes between competing fixed-based operators spurred by allegations of procurement code and federal grant assurance violations. He also represents commercial aviation interests and is experienced in corporate aircraft ownership, aircraft management and leasing structures. In addition to his litigation experience, Mr. McCulloch has substantial experience acting as both a mediator and arbitrator in aviation law matters, including personal injury matters, commercial litigation and landlord tenant disputes. Mr. McCulloch also has considerable experience acting as a mediator in airport grant assurance matters.

Mr. McCulloch has substantial experience with unmanned aerial vehicles and systems (UAV and UAS) both from the airport operator and UAS/UAV operator points of view.

Mr. McCulloch has represented numerous entities and individuals prosecuted by the Federal Aviation Administration, many of which face substantial civil penalties or emergency revocation of all certificates or both.

Before entering the practice of law, Mr. McCulloch was a full-time certified flight instructor specializing in teaching advanced and competition aerobatics. He has more than 5,500 hours flight time teaching in the most advanced aerobatic trainers in the world, including Extra 300’s and Pitts Specials.


Nicolas Zart

Founder, Electric Air Mobility, LLC | Host, The Ways We Move Podcast | Advanced Air Mobility Consultant and Journalist

With over 20 years of experience in electric mobility, Nicolas Zart is a leading consultant and journalist in the advanced air mobility (AAM) industry. As the founder of Electric Air Mobility, LLC, he specializes in developing infrastructure solutions that encompass vertiport planning, energy management, and integration of air traffic systems. His firm partners with key stakeholders to implement sustainable and scalable AAM networks tailored for both urban and regional applications.

Nicolas also hosts The Ways We Move podcast, where he delves into conversations with innovators and thought leaders shaping the future of transportation. His journalistic work has been widely published, providing insights into the evolving landscape of electric and advanced air mobility.

At the 2025 AzAA "Dutch Bertholf" Spring Conference, scheduled from April 27 to 29 at the Hon-Dah Resort Casino and Conference Center in Show Low, Arizona, Nicolas will contribute as a panelist, sharing his extensive knowledge on AAM infrastructure and energy solutions. His participation will offer valuable perspectives on integrating advanced air mobility into existing airport frameworks and the broader transportation ecosystem.


Jake Tomlin

Jake Tomlin has been passionate about aviation since he was five years old. Today, he channels that passion into his role as President and CEO of Papillon Grand Canyon Helicopters and Grand Canyon Scenic Airlines (GCSA), where he works alongside three generations of his family. With over 20 years of experience in professional aviation, Tomlin's background spans both the Department of Defense and the commercial air tour industry.

Before joining Papillon and GCSA, Tomlin served for 11 years in the United States Marine Corps as an officer and F/A-18 pilot. His extensive experience includes management roles in personnel, quality assurance, safety, aircraft maintenance, flight training, and flight operations, both domestically and internationally.

Tomlin is actively involved in several professional organizations, including the National Park Overflight Advisory Group (NPOAG), Vertical Aviation International (VAI), the National Business Aviation Association (NBAA), and the Young Presidents Organization (YPO). He holds an Airline Transport Pilot (ATP) certificate and has completed Heli-Expo’s Helicopter Operator Management Course.

He earned his degree in Systems Engineering from the United States Naval Academy and an MBA from the University of Phoenix.

Conference Moderators

Contact Us
1800 E. Ray Rd.,
Suite A106
Chandler, AZ 85225
P: (480) 403-4618
F: (480) 935-5270
info@azairports.org


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