Airline Industry Experts
Airline Industry Experts
ASG’s aviation consultants empower you with the analysis and strategies you need.
WE'RE AIRLINE STRATEGISTS WITH THE EXPERTISE & EXPERIENCE for RESULTS
Benefit from ASG's experience as global airline consultants.
Get to know us
Senior airline managers and consultants who’ve been where you are
We are an airline commercial strategy consulting firm led by seasoned aviation industry experts and thought leaders. Before joining ASG, all partners and crew worked together at Seabury Consulting, a part of Accenture, or Seabury’s sister company, Diio, now part of Cirium. Prior to Seabury, all partners held leadership positions in some of the industry’s most recognized airlines. Our shared passion of helping airlines achieve maximum results has brought us together to bring your airline unparalleled service and expertise.
Our highly experienced team of airline industry leaders drive performance excellence for our airline clients throughout the world. You need a profitable network strategy that will transform your airline right now and into the future. We help you discover market opportunities, revenue strategies, and the right partnerships that enable you to adapt to changes in demand, economic conditions, capacity, and your financial landscape.
ASG team members are respected worldwide for our thought leadership, intelligent data analysis, and reputation for improving financial performance. We’d be delighted if you’d learn more about our airline solutions and how we can help you fly through the turbulence to clear results.
AIRLINE STRATEGISTS WITH THE EXPERTISE & EXPERIENCE for RESULTS
About us
Our highly experienced team of airline industry leaders drive performance excellence for our airline clients throughout the world. You need a profitable network strategy that will transform your airline right now and into the future. We help you discover market opportunities, revenue strategies, and the right partnerships that enable you to adapt to changes in demand, economic conditions, capacity, and your financial landscape.
The ASG team is respected worldwide for our thought leadership, intelligent data analysis, and reputation for improving financial performance. We'd be delighted if you'd learn more about our airline solutions and how we can help you fly through the turbulence to clear results.
WHAT SOLUTIONS DO YOU NEED TO BECOME MORE PROFITABLE?
We know what it takes to deliver client success anywhere in the world.
When you need measurable impact, choose ASG.
OUR LEADING AIRLINE EXPERIENCE BENEFITS YOU
Why work with ASG?
We’re a team of seasoned, well-connected airline industry managers and consultants who have been where you are, living the daily pressures of achieving high revenue and return on investment. ASG’s aviation leaders each bring specific high-level talent, intelligent data analysis, and an array of meaningful experience to our clients.
You’ll benefit from our efficient analytical processes and deep-data expertise that fine-tune many aspects of airline management and growth.
We bring a proven record of transforming our commercial airline clients’ business strategy and performance. We advise you on everything from network and fleet planning to revenue optimization to strategic airline partnerships.
ASG will help you forge the commercial strategy that you need.
We believe in making your life easier.
Because we are a lean operation, we are uniquely positioned to begin solving your problems right away. We aren’t distracted by internal pressures to upsell our clients on products and services you don’t need.
A lean, agile, highly experienced team
You’ll work one-on-one with our leadership. That means you get our full attention and no excessive layers of staff or bureaucracy. We are able to work quickly to solve the problems you need to address today and we’ll give you the strategies to adjust course and succeed tomorrow.
Offering global experience and relationships
You need to build relationships that strengthen your position and operations. Our consultants give you decades of international airline transport experience.
The revenue results you need now
To you, that means in-depth data analysis that enables you to make insightful and forward-thinking decisions.
A strategic plan for your profitable future
We’ll focus on developing strategic tactics that drive revenue now while implementing a plan for tomorrow’s growth and sustainability.
ASG executives give you the competitive advantage
Each member of the ASG team brings decades of air transport service experience and lifetime relationships to you. We’ve solved the problems you face. You’ll benefit from our collective experience and attention, as well as our connections in the aviation industry.
You’ll quickly see how our highly specialized, lifelong air transport industry executives help you develop a plan that will increase valuable relationships and drive stronger financial results. Our leaders are dedicated to empowering performance excellence for aviation companies like yours.
ASG Team
ASG Advisory Board members
INTERNATIONAL AVIATION INDUSTRY EXPERTS WORKING FOR YOU
ASG | Who are we?
Proven airline executive and consulting experience
We are an airline commercial strategy consulting firm led by seasoned aviation industry experts and thought leaders. Before joining ASG, all partners and crew worked together at Seabury Consulting, a part of Accenture, or Seabury’s sister company, Diio, now part of Cirium. Prior to Seabury, all partners held leadership positions in some of the industry’s most recognized airlines. Our shared passion of helping airlines achieve maximum results has brought us together to bring your airline unparalleled service and expertise. Learn about our executives below.
The ASG Team
We're consultants.
David Bishko has experience with more than 40 airlines throughout 25+ years of airline management and consulting, including Delta Air Lines and consulting firms Seabury Consulting and Accenture.
David brings more than 25 years of airline management experience to ASG. Most recently he was Chief Commercial Officer of Ravn Air Group, Alaska’s largest regional airline. Due to unfortunate timing with Covid-19, his brief experience there focused on selling the airline as part of its Chapter 11 bankruptcy process. David joined Ravn from Seabury Consulting, a part of Accenture, where he supported airline clients worldwide with developing and implementing various commercial strategies.
Prior to joining Seabury, David had an 18-year career at Delta Air Lines including leadership positions in Alliances, Network Planning, Market Development, Sales, Corporate Strategy, and Finance. Between David’s role as head of Delta’s Alliances department as well as his consulting projects with Seabury, he has direct working experience at over 40 airlines worldwide.
David’s is recognized as an industry expert in airline joint ventures. While at Delta he built, implemented, and managed Delta’s JV with Air France – KLM. While at Seabury he was contracted by JV partners spanning the globe and global alliances to assist in all phases of partnership development. David has led JV workshops at many of the industry’s most prestigious airlines.
David earned a master’s degree in Industrial and Systems Engineering from Georgia Tech and a bachelor’s degree in Industrial Engineering from Stanford University. He resides in both Anchorage, Alaska, and Atlanta, Georgia, USA.
David brings more than 25 years of airline management experience to ASG. Most recently he was Chief Commercial Officer of Ravn Air Group, Alaska’s largest regional airline. Due to unfortunate timing with Covid-19, his brief experience there focused on selling the airline as part of its Chapter 11 bankruptcy process. David joined Ravn from Seabury Consulting, a part of Accenture, where he supported airline clients worldwide with developing and implementing various commercial strategies.
Prior to joining Seabury, David had an 18-year career at Delta Air Lines including leadership positions in Alliances, Network Planning, Market Development, Sales, Corporate Strategy, and Finance. Between David’s role as head of Delta’s Alliances department as well as his consulting projects with Seabury, he has direct working experience at over 40 airlines worldwide.
David’s is recognized as an industry expert in airline joint ventures. While at Delta he built, implemented, and managed Delta’s JV with Air France – KLM. While at Seabury he was contracted by JV partners spanning the globe and global alliances to assist in all phases of partnership development. David has led JV workshops at many of the industry’s most prestigious airlines.
David earned a master’s degree in Industrial and Systems Engineering from Georgia Tech and a bachelor’s degree in Industrial Engineering from Stanford University. He resides in both Anchorage, Alaska, and Atlanta, Georgia, USA.
Martin Brahier has contributed his network strategy expertise to the success of Seabury Consulting clients and added value through network planning and revenue management for Southwest Airlines and Delta Air Lines.
Martin joins ASG with eight years in the airline industry where he served in network planning and revenue management positions at Southwest Airlines and Delta Air Lines, and was part of Seabury Consulting’s team of network strategy experts. At Delta, Martin played a key role in the expansion of their European partnerships and network connectivity within the Transatlantic joint venture. At Seabury Consulting, he advised clients around the globe focusing on long-term network strategy, hub development, network and schedule optimization, and partnership valuation. Martin has been based in Amsterdam since 2018. He holds a master’s degree from Cranfield University and is fluent in German and English.
Karl Evans has provided outstanding leadership of revenue forecasting analysis for 19 years at Seabury Consulting and strategic planning, revenue analysis leadership at US Airways.
Prior to ASG, Karl spent 19 years working at Seabury Consulting playing an integral role in Seabury’s successful carrier restructuring arm, where his work consisted primarily of restructuring and refining the commercial aspects of large and small international airlines, including fleet optimization, merger and codeshare analysis and network realignment. He is adept at network refinement and hub restructuring, as well as developing route profitability. Prior to Seabury Consulting, Karl held key management positions in the Strategic Planning, Revenue Analysis, and Financial Planning departments of US Airways. Karl holds a M.Sc. in Industrial Administration from Carnegie Mellon University. He received a B.S. in accounting, cum laude, from Duquesne University.
David Hoppin brings 30+ years of developing prowess in commercial aviation data and business intelligence solutions to ASG. His global transport and logistics expertise and leadership gives our clients the data-driven solutions they need most.
ASG’s CEO David Hoppin has more than 30 years’ experience serving clients in the global transport and logistics industries, both as a data/solutions provider and as a consultant. Prior to cofounding ASG, David was CEO of Diio LLC, a specialized provider of commercial aviation data and business intelligence solutions including IATA PaxIS and Direct Data Solutions (DDS). In 2016, he led the sale of Diio to RELX plc, a FTSE 100 company, and supported the integration of Diio into RELX’s Cirium business unit. Prior to Diio, David was co-founder and managing director of MergeGlobal, a specialized management consultancy focusing on the global logistics industry. David’s clients included airlines, containership lines, TL/LTL motor carriers, industrial warehouse operators, airframers, equipment lessors and infrastructure operators. David directed project teams on engagements for clients in North and South America, Europe, the Middle East and Asia/Pacific. David graduated from Hamilton College in Clinton, New York. He resides in Virginia, United States.
David Johnson is a polylingual airline expert whose 30+ years of specialization in network planning and development, strategic and tactical alliances, and international relations enable him to help drive clients’ profitability.
David brings more than 30 years of experience in the aviation industry with particular expertise in airline flight networks. Most recently, he spent six years at Seabury Aviation/Accenture, working on more than two dozen projects in Europe, the Middle East, Asia, and South America.
Beginning his career with US Airways, David worked in operations control, revenue management, scheduling, network strategy, and regulatory affairs. He subsequently ran the company’s growing Caribbean and Latin American operation for two years.
David then joined United Airlines as Managing Director of their 100-aircraft international flight network, and later served as head of their alliances group, including joint ventures, bilateral partnerships, and global alliance management.
Following more than a decade at United, David joined APG/Seabury, which was later folded into Accenture Aviation, where he worked on various projects, primarily focused on improving airline clients’ network profitability through hub, fleet, and schedule design, including high-level footprint and scope development, as well as detailed resilience, operational excellence and slot (and other) compliance measurement.
David has an MBA from Johns Hopkins Carey School of Management, and lives in Barcelona, Spain. He speaks English, Spanish, and French fluently, and has a working knowledge of Catalan, Italian, Portuguese and German.
David brings more than 30 years of experience in the aviation industry with particular expertise in airline flight networks. Most recently, he spent six years at Seabury Aviation/Accenture, working on more than two dozen projects in Europe, the Middle East, Asia, and South America.
Beginning his career with US Airways, David worked in operations control, revenue management, scheduling, network strategy, and regulatory affairs. He subsequently ran the company’s growing Caribbean and Latin American operation for two years.
David then joined United Airlines as Managing Director of their 100-aircraft international flight network, and later served as head of their alliances group, including joint ventures, bilateral partnerships, and global alliance management.
Following more than a decade at United, David joined APG/Seabury, which was later folded into Accenture Aviation, where he worked on various projects, primarily focused on improving airline clients’ network profitability through hub, fleet, and schedule design, including high-level footprint and scope development, as well as detailed resilience, operational excellence and slot (and other) compliance measurement.
David has an MBA from Johns Hopkins Carey School of Management, and lives in Barcelona, Spain. He speaks English, Spanish, and French fluently, and has a working knowledge of Catalan, Italian, Portuguese and German.
Stefan Platter delivers the commercial analysis and technical solutions that airline clients need. His experience in building software, data products, and tools in addition to his extensive knowledge in fleet and network planning and partnership analysis gives ASG’s clients a distinct advantage.
Stefan brings 25 years of airline industry experience to ASG. Prior to joining ASG, he was a vice president with Seabury Consulting/Accenture for 18 years.
Ever since starting his aviation career in 1998, his primary focus has been to use his analytical capabilities and knowledge of data and tools to create the best possible outcomes for any questions related to fleet and network planning, partnership analysis, and other related commercial topics. He has played integral roles in building software, data products, and tools for his employers, and will also enhance ASG’s capabilities in those areas.
Stefan’s previous positions include leading the marketing research and long-term network planning departments at Austrian Airlines, a senior consultant role at SynGroup, a boutique Austrian consulting company, and lecturer positions at both the University of Vienna and the University of Applied Sciences Burgenland. At Seabury, he has worked for more than 50 airlines, airports, and OEMs on all continents.
Stefan holds a master’s degree in International Business Administration from the University of Vienna, and is fluent in German, English, Spanish, and Italian. He resides in a wine region right outside of Vienna, Austria.
Stefan brings 25 years of airline industry experience to ASG. Prior to joining ASG, he was a vice president with Seabury Consulting/Accenture for 18 years. Ever since starting his aviation career in 1998, his primary focus has been to use his analytical capabilities and knowledge of data and tools to create the best possible outcomes for any questions related to fleet and network planning, partnership analysis, and other related commercial topics. He has played integral roles in building software, data products, and tools for his employers, and will also enhance ASG’s capabilities in those areas. Stefan’s previous positions include leading the marketing research and long-term network planning departments at Austrian Airlines, a senior consultant role at SynGroup, a boutique Austrian consulting company, and lecturer positions at both the University of Vienna and the University of Applied Sciences Burgenland. At Seabury, he has worked for more than 50 airlines, airports, and OEMs on all continents. Stefan holds a master’s degree in International Business Administration from the University of Vienna, and is fluent in German, English, Spanish, and Italian. He resides in a wine region right outside of Vienna, Austria.
Rich Scheff has added value for ASG clients with experience in coordinating relationships with regional carriers with Delta Air Lines’ Delta Connection. Rich’s 30 years of leadership, including 19 years with Seabury Consulting, spans airline network strategy and analysis.
Rich brings more than 30 years of experience within the aviation sector to ASG. He has developed expertise in network planning, fleet planning, demand forecasting, and operations research. Joining Seabury Consulting in 2002, Rich has worked on numerous fleet planning, fleet assignment, and network planning projects for airlines worldwide throughout his 19 years as a consultant. Prior to Seabury Consulting, Rich worked at Delta Air Lines for 14 years where he held key network planning positions across the spectrum of network strategy and analysis, in addition to coordinating the network planning relationship with the Delta Connection regional carriers. Richard holds a B.S. and M.S. in Industrial Engineering from the Georgia Institute of Technology
Cliff Senter
Managing Director
Generated millions in incremental revenue during 20+ years of dynamic airline experience in global pricing and revenue management excelling at developing core business, product proposition, and distribution strategies while optimizing business processes
Cliff Senter contributes his experience in diverse airline management and advisory roles to our clients with a focus on pricing, revenue management, and distribution strategy.
Cliff offers decades of dynamic aviation, hospitality, and retail leadership experience that includes more than thirty engagements as an adviser in pricing and revenue management to a wide array of clients around the globe. Cliff has worked in the airline industry since he was 20 years old when he began his career as a cross-function agent at a small airport in New Hampshire. More than two decades later, Cliff’s career trajectory includes many leadership and consulting roles.
Cliff has robust experience in the development of revised product propositions and ancillary strategies and has recently supported numerous clients in their initiatives to redevelop and implement new product offerings to capitalize on the rapidly changing demands of the traveling public with focus on customer segmentation and willingness-to-pay.
From serving as an advisor in Accenture’s travel practice and at Seabury Consulting to various management and strategic roles in the industry, Cliff has a proven track record of leading medium to large-sized teams in driving business process optimization and incremental revenue improvement.
Cliff has also positively impacted the industry by serving as Director of International Pricing and Revenue Management for Hawaiian Airlines. There, he managed all facets of revenue management for Hawaiian’s international network. Cliff also spearheaded domestic pricing initiatives and managed the domestic pricing team for United Airlines.
Cliff’s recent airline engagements include work for Cathay Pacific, Avianca, Amadeus, United Airlines, and Fiji Airways.
Cliff offers decades of dynamic aviation, hospitality, and retail leadership experience that includes more than thirty engagements as an adviser in pricing and revenue management to a wide array of clients around the globe. Cliff has worked in the airline industry since he was 20 years old when he began his career as a cross-function agent at a small airport in New Hampshire. More than two decades later, Cliff’s career trajectory includes many leadership and consulting roles.
Cliff has robust experience in the development of revised product propositions and ancillary strategies and has recently supported numerous clients in their initiatives to redevelop and implement new product offerings to capitalize on the rapidly changing demands of the traveling public with focus on customer segmentation and willingness-to-pay.
From serving as an advisor in Accenture’s travel practice and at Seabury Consulting to various management and strategic roles in the industry, Cliff has a proven track record of leading medium to large-sized teams in driving business process optimization and incremental revenue improvement.
Cliff has also positively impacted the industry by serving as Director of International Pricing and Revenue Management for Hawaiian Airlines. There, he managed all facets of revenue management for Hawaiian’s international network. Cliff also spearheaded domestic pricing initiatives and managed the domestic pricing team for United Airlines.
Cliff’s recent airline engagements include work for Cathay Pacific, Avianca, Amadeus, United Airlines, and Fiji Airways.
Michael Mankowski
Senior Managing Director
Michael Mankowski has over twenty five years of commercial airline experience including seventeen years as an advisor in commercial strategy, pricing, revenue management, ancillaries and product proposition with over 70 client engagements around the globe.
Michael is a member of the ASG leadership team and is responsible for client management and project delivery of commercial engagements.
Michael is a leading advisory voice in the design and deployment of future airline pricing and revenue management capabilities leveraging his extensive knowledge of strategic and tactical revenue activities and industry best practices. Prior to joining ASG, Michael spent time at Accenture, developed the revenue management practice at Seabury Consulting, and was an advisor at Sabre Airline Solutions.
Prior to his advisory roles, he was a Senior Manager of Transcon/East Coast revenue management team at United Airlines. He was a Manager of the TED low fare product revenue management team at United Airlines. Michael also has experience in Cargo and Crew Scheduling from United Cargo and Atlas Air.
Cliff offers decades of dynamic aviation, hospitality, and retail leadership experience that includes more than thirty engagements as an adviser in pricing and revenue management to a wide array of clients around the globe. Cliff has worked in the airline industry since he was 20 years old when he began his career as a cross-function agent at a small airport in New Hampshire. More than two decades later, Cliff’s career trajectory includes many leadership and consulting roles.
Cliff has robust experience in the development of revised product propositions and ancillary strategies and has recently supported numerous clients in their initiatives to redevelop and implement new product offerings to capitalize on the rapidly changing demands of the traveling public with focus on customer segmentation and willingness-to-pay.
From serving as an advisor in Accenture’s travel practice and at Seabury Consulting to various management and strategic roles in the industry, Cliff has a proven track record of leading medium to large-sized teams in driving business process optimization and incremental revenue improvement.
Cliff has also positively impacted the industry by serving as Director of International Pricing and Revenue Management for Hawaiian Airlines. There, he managed all facets of revenue management for Hawaiian’s international network. Cliff also spearheaded domestic pricing initiatives and managed the domestic pricing team for United Airlines.
Cliff’s recent airline engagements include work for Cathay Pacific, Avianca, Amadeus, United Airlines, and Fiji Airways.
What's Next?
Talk with us today.
Tell us about the challenges your airline is facing and one of our partners with deep experience in the solutions you need will discuss with you how we can help.