Meet our Leadership

John Petkovic, Chief Executive Officer

John has an extensive background in aviation finance. He played a key role in establishing Macquarie’s aircraft leasing business and served as its Chief Financial Officer before his appointment as Chief Executive Officer of the new Macquarie Rotorcraft operation.

Before joining Macquarie, John was responsible for strategy at AWAS leading up to its sale. John has previously worked at PWC and is a Fellow of the Institute of Chartered Accountants. He holds a degree in Commerce from the University of New South Wales.

Todd Wolynski, Chief Administrative Officer

Todd is the Chief Administrative Officer of Macquarie Rotorcraft.  Before joining Macquarie Rotorcraft, he served as the General Counsel and Chief Administrative Officer at Waypoint Leasing.  Todd also practiced law at White & Case LLP, advising borrowers, lenders and export credit agencies in connection with helicopter and fixed-wing financings, asset-based structured financings and other cross-border corporate transactions in the aviation and energy sector. 

Todd is a member of the New York State Bar and holds a BA, summa cum laude, Phi Beta Kappa, from American University and a JD, cum laude, from Georgetown University Law Center.

Greg Allen A’slinger, Chief Commercial Officer

Greg began his helicopter career in 1990 as an electronic news gathering pilot. Prior to Macquarie, he was CEO of an authorized Airbus, Agusta and Bell Helicopter Customer Service Facility.

Greg is a graduate of Franklin Pierce University.

Ken Dowling, Senior Vice-President Finance

Prior to joining Macquarie, Ken was Vice President Finance, and subsequently Senior Vice President Finance, with Waypoint Leasing.  Ken joined Waypoint Leasing at its inception in 2013 from Aercap, one of the world's largest aircraft leasing companies, where he was appointed Senior Manager Group Finance following the merger between Genesis Lease Limited and AerCap in 2010. At Genesis Ken started as Finance Manager and progressed to Business Planning Manager. Formerly he was Head of Financial Reporting at Challenger Financial Services Limited, a listed Australian Financial Services company. Ken is a Fellow of The Association of Chartered Certified Accountants (ACCA) and holds a BBS from University of Limerick.

Sarah Johnston, General Counsel

Sarah has been General Counsel of Macquarie Rotorcraft since its inception.

Before joining Macquarie Rotorcraft, Sarah served as Corporate Counsel of Willis Lease Finance Corporation and earlier as Associate General Counsel for Building Materials Holding Corporation. Sarah also practiced law at Gibson, Dunn & Crutcher where she advised clients on secured finance, business restructuring and bankruptcy matters.

Sarah graduated from the UC Berkeley School of Law and also studied Finance at Santa Clara University.

Meet our Sales Team

Trey Wade, Head of Sales Americas & Asia Head of Trading

Trey joined Macquarie from Textron, Inc. where he held several key roles, including General Manager of Cessna Aircraft Co., leading a joint venture in China producing business jets. He was also General Manager of Bell Helicopter’s commercial training and director for customer support.

In addition, Trey served in the US Army as a Company Commander, providing direct support to task forces in Kuwait.

Trey is a graduate of the US Military Academy and holds an MBA from Texas Christian University.

Con Barber, Head of Sales, Europe, Middle East & Africa

Con has twenty years experience in the aviation sector, filling a wide variety of technical, project management and strategic management roles. Prior to joining Macquarie, Con was the Chief Technical Officer (Fixed Wing Aircraft) with the Irish Air Corps and he previously held a key role delivering the Irish Air Corps helicopter fleet renewal program – successfully introducing a new fleet of EC135 and AW139 multi-mission helicopters. Con has also worked for Rose Aviation Ltd, the United Nations, the European Union and the Swedish Air Force in various aviation leadership roles in Europe and Africa. Con holds a primary degree in Aeronautical Engineering from Queen’s University and has various post graduate qualifications including an MBA and MSc from Smurfit Business School, University College Dublin and an MA from the National University of Ireland. Con speaks conversational French and Swedish.

Simon Dahm, Vice President of Sales, Europe

Simon has over 10 years of experience in the helicopter industry including OEM, Operator and Lessor. Prior to joining Macquarie, Simon was Vice President, Sales and Relationship Management, Europe with Waypoint Leasing. Simon was the Group Business Development Manager for Babcock Mission Critical Services, where he was responsible for business development initiatives. Prior to this, Simon worked with ERA Group Inc. and was based in New York. Simon holds a Bachelor with Honours in Business Administration from UNCW and Euromed Marseille.

Dimmie de Milander, Vice President of Sales, Middle East & Africa

With more than 40 years in the helicopter industry, Dimmie has flown in excess of 8000 flying hours as a pilot, with experience in Offshore, Utility, EMS, Fire Fighting and instruction. Prior to joining Macquarie, he was the former Commercial Director for Starlite Aviation Group and Commercial Director Africa at CHC Helicopters. Dimmie also has 28 years of contract management in most of the coastal countries in Africa. He holds a degree in Aeronautical Engineering from the University of Stellenbosch and an MBA, International Marketing from UNISA.

Philip Stransky, Vice President of Sales, Asia / Australia & Pacific

Prior to joining Macquarie, Philip was Director and subsequently Vice President of APAC Sales and Marketing, with Waypoint Leasing. Philip joined Waypoint Leasing in 2014 bringing 12 years of international business development, upstream oil and gas and asset trading experience. Prior to Waypoint, Philip was the APAC Area Manager for Seacor Marine in Singapore. While in Singapore he lead business development and growth strategy for the region. Previously, Philip worked for Seacor in Mexico, Europe the US and in Africa.

Philip graduated from Connecticut College and holds an MBA from MIT Sloan School of Management as a Sloan Fellow. He is fluent in French and conversational in Spanish.