SIDRA Team

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Rahmi Akçelik

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Dr Akçelik (pronounced Ak-chelik) is a Director at Akcelik & Associates (trading as SIDRA SOLUTIONS).  He is a leading scientist and software developer with over 300 technical publications in his area of expertise. Dr Akçelik leads the SIDRA SOLUTIONS software development team and contributes to software design and technical specifications, user training and technical support. 

He graduated as a Civil Engineer from Istanbul Technical University (1968), and received a Ph.D. in Transportation Engineering from Leeds University, England. He migrated to Australia in 1975. He worked as a traffic engineer-planner with the National Capital Development Commission, Canberra (1975-79), and as a researcher with ARRB Transport Research, Melbourne (1979-1999). In 1999, Dr Akçelik established Akcelik and Associates Pty Ltd as a research and software company specialising in the area of road traffic operations, traffic engineering, management and control.

Awards received by Dr  Akçelik include the 2014 Roads Australia Award for Technical Excellence in recognition of the exceptional achievement of an individual in a technical or scientific area relevant to transport, the 1999 Clunies Ross National Science and Technology Award for outstanding commitment and contribution to the application of science and technology in Australia, the 2008 Institute of Transportation Engineers Australia and New Zealand Section Contribution to the Transportation Profession Award, and the 1986 Institute of Transportation Engineers (USA) Transportation Energy Conservation Award in Memory of Frederick A. Wagner for research into energy savings from urban traffic.

Dr Akçelik served as member of the US Transportation Research Board (TRB) Committees on Highway Capacity and Quality of Service (HCQS), and Traffic Signal Systems. He made various contributions to the US Highway Capacity Manual. He has trained several thousand professionals in over 250 workshops, courses and seminars.

ResearchGate Profile


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Mark Besley

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Mark Besley is a scientist and software specialist who has worked in the traffic management area during the last three decades. Mark was born and grew up in Melbourne, Australia. He studied applied mathematics at Monash University, and worked as a researcher with ARRB Transport Research (1980-1999). In 1999, Mark Besley joined Akcelik and Associates Pty Ltd as a Director.

Mark has been involved in many aspects of research on traffic operations including incident detection, traffic network models, fuel consumption estimation, traffic data collection and analysis. He has made a significant contribution to the development of the SIDRA SOLUTIONS software in collaboration with Dr Akçelik over a long period. His contributions include software design and programming, user training and technical support.

ResearchGate Profile


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Harry Cai

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Licheng (Harry) Cai is a Software Engineer at Akcelik & Associates. He completed Master of Applied IT and Master of IT (Minor Thesis) degrees at Monash University. During his studies, he was involved in research for a Collision Warning System which enhances intersection safety. Harry joined Akcelik and Associates Pty Ltd in 2008.  He contributes to the development  and support of SIDRA SOLUTIONS software products.


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David Billinghurst

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David Billinghurst is a software engineer at Akcelik & Associates. He has a BSc (Hons) degree from Monash University, where he studied mathematics and physics.  David worked for 30 years in the resources industry.  He worked on improving industrial processes using mathematical modelling, with a focus on aluminium smelting.   He joined the SIDRA SOLUTIONS software development team in 2018.


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Tony Phan

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Thanh Tung (Tony) Phan is a Software Engineer at Akcelik & Associates. Tony graduated from Ho Chi Minh City University of Pedagogy in Vietnam with a degree of Bachelor of Science in Mathematics and Informatics in 2007. He worked as a high school teacher in IT before coming to Melbourne for further study. He completed Master of IT and Master of Business Administration degrees at La Trobe University in 2010. Tony joined Akcelik & Associates in 2011 to contribute to the development of SIDRA SOLUTIONS software products.

 


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Nathan Oakes

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Nathan Oakes graduated with Bachelor of Engineering (Telecommunication & Network Engineering) and Bachelor of Science (Computer Science & Software Engineering) degrees from Swinburne University in 2016. He joined Akcelik and Associates at the beginning of 2018 as a member of the SIDRA SOLUTIONS software development team.


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Sevim Akçelik

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Sevim Akçelik is Manager Operations at Akcelik & Associates.  She held various management positions over two decades including her role as the the Chief Executive Officer of a leading service organisation providing support to the Medical, Health and Aged Care sectors in Victoria before joining Akcelik & Associates in 2004. Sevim holds a Bachelor of Arts in Multicultural Studies, Diploma in Financial Management, Graduate Diploma in Management, and Master of Business and Administration. Strong academic/technical foundations have seen her career evolve through Research, Training, Accountancy and Management roles in Turkey, England and Australia. Her in-depth understanding of government processes and organisational dynamics is supported by proven managerial capabilities and effectiveness.  Sevim developed the Integrated Management System for  Akcelik & Associates culminating in ISO 9001 quality system accreditation.


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Umut Akcelik

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Umut Akcelik is Marketing Director at Akcelik & Associates. He joined the company in 2007 bringing a broad range of experience and skills in the field. He successfully completed a Bachelor of Business in Marketing at Swinburne University of Technology and a Master of Arts in Advertising at Royal Melbourne Institute of Technology.

Umut has been responsible for company rebranding, authoring a comprehensive brand identity model for SIDRA SOLUTIONS, and developing an integrated marketing communications plan for SIDRA INTERSECTION and SIDRA TRIP. He used his online marketing savvy to design and implement the eCommerce system for the business which was successfully launched in 2009.


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Amanda Savage

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Amanda Savage joined Akcelik & Associates in 2007 as Sales Administrator and has since moved into the position of Assistant Manager. She is responsible for the maintenance of the company's Integrated Management System as well as assisting the Marketing Manager and Operations Manager with the running of the organisation. Amanda has her Diploma of Management and Certificate II in Business.

 


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Nilgun Safak

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Nilgun Safak joined Akcelik & Associates as an e-Learning developer in 2011. She is responsible for the development of tutorial videos for SIDRA SOLUTIONS software products. She is an experienced educator in the field of physics, mathematics and learning technologies. She gained Bachelor of Science in Physics, Mathematics and Bachelor of Education degrees at Middle East Technical University in Ankara,Turkey. She completed a PostGraduate Diploma in Computer Education at the University of Melbourne, Australia. Nilgun has been a life-long learner with special interests in researching the developments of educational technologies, one-to-one computing and web design.  For over twenty years, she worked at Methodist Ladies College as a Mathematics, Physics, Pastoral Care teacher and Learning Technology Consultant, and as the Director of Learning Technologies at the Korowa Anglican Girls' School, in Melbourne. Nilgun has presented on topics related to teaching and learning technology at various conferences in Australia and overseas, and she has created many e-learning resources for teachers and students for online delivery.


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Ayda Akcelik

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Ayda Akcelik first joined Akcelik & Associates as the book keeper in 1999. She holds a Diploma in Legal Practice from Victoria University and is also involved in the music industry. Ayda returns to the SIDRA SOLUTIONS team in 2018 as an e-Learning Officer.


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Xinna Xi (Sheena)

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Xinna Xi is the Accountant at Akcelik and Associates. She joined the company in March 2017. Sheena is a Certified Public Accountant. She completed her Bachelor of Commerce degree through Capital University of Economic and Business (Beijing – China). Sheena’s extensive accounting background includes working for US Embassy China and different industries in Australia.


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Stella Homewood

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Stella joined Akcelik & Associates in 2017 as Sales Administrator. She is at the forefront of the Sales Department and is responsible for client support and all sales enquiries. Stella has a Bachelor of Business Systems and Master of Multimedia from Monash University.


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