Brad Holman
Non-Executive Director
Brad invested in ATI Business Group in 2010 and has led the commercial development for the business since joining.
He continues to lead the business development for ATI and account management of our growing client list.
Brad has over 25 years’ experience working in and providing services to the travel industry, including President for
Travelport’s Asia Pacific and Europe, Middle East African Operations. More recently he was the President for
International Markets for Blackbaud a NASDAQ listed software and services company where he was responsible for
developing and leading the company’s international business strategy and new market entry. Brad also currently
serves on the Board of a publicly listed travel company.
Brad is based in Sydney, Australia and holds a Bachelor of Commerce Degree from the University of Western Australia.
David Harsamto
Chief Financial Officer
As a co-founder of ATI Business Group, David has been with the company since its inception. David is the Chief Financial
Officer of the company and is responsible for the overall financial strategy, financial planning and analysis,
management of financial risks and financial reporting. Additionally, David leads our business IT Development operation.
David has worked in business operations in the travel and tourism industry for over 30 years. David spent seventeen years
of his professional career in Vayatour, one of the largest travel agents and tour operators in Indonesia. Currently,
David is also an active board member of Panconvince, an Indonesian based MICE Organizer and Intrareps, a Destination
Marketing company.
David graduated with the highest ranking from Indonesia Tourism Academy in Jogjakarta and Bali Tourism Institute.
Felix Hidayat
Chief Operating Officer
Felix is the chief operating officer of ATI Business Group and serves on its Board of Directors. He oversees all
of ATI’s operations including end-to-end management of ATI service delivery of all accounts and business projects.
He drives the company’s business performance initiatives, introduces robotics process automation technologies to
our clients’ businesses. Felix played a key role in ATI’s entry as an application service provider to the airline
industry with the launch of fares management technology platform for Garuda Indonesia. Along with Brad Holman,
Felix also caretakes the continuous development of strategic client relationships, ensuring flexibility in
response to an increasingly demanding marketplace. Felix joined ATI in 2010 as head of operations.
Prior to ATI, Felix spent over 19 years living overseas, primarily in the U.S., and had work experience in New York
as a corporate specialist for an international law firm, and in Washington D.C. as a strategic management consultant.
Felix holds a bachelor’s degree in International Relations from Brown University and an M.B.A. from Georgetown
University
Rustini Dewi
Director of Finance
Dewi brings with her an exceptional wealth of experience and a stellar track record in the finance industry.
Currently, she serves as Member of Audit Committee & Risk Oversight Committee at Superbank & Independent
Commissioner at PT Asuransi Jiwa Sequis Life, where she plays a crucial role in overseeing and evaluating the
adequacy of financial reporting processes and conducting risk management oversight.
Prior to her current roles, she served as the Director of Retail & SME Business at Commonwealth Bank and held a
pivotal role as Director of Citibank's Retail Banking division. Her extensive background in these positions showcases
her ability to manage complex financial operations and drive strategic initiatives.
As Director of Finance, she leads our finance and accounting team, serving as the primary point of contact for the
Chief Financial Officer. Her focus is on driving value for the organization through enhanced decision-making,
financial controllership, and aligning operational objectives with financial goals.
Dian Renata
People Operations & General Affairs Manager
Dian is the People Operations & General Affairs Manager for ATI Business Group and has been with
ATI Business Group since 2012. She oversees and maintains the organization’s human resources by
planning, implementing, and evaluating employee performance and human resources policies, programs,
and practices.
Dian has 15 years’ experience of combined expertise in human resource management, workforce planning,
retention strategy, and change management. Prior to joining ATI, she previously worked in a major
consumer goods company in Indonesia serving as human resources manager. She holds a bachelor’s
degree in Economics.
Joselin Poh
Business Operations Manager
Joselin started her career in ATI in 2017 as a Ticketing Account Leader of Flight Centre Travel Group
and she is now Business Operations Manager who oversees multiple divisions from Fare Loading to
Ticketing with clients from diverse backgrounds within the travel and aviation industry. She works
closely with her team and business stakeholders to ensure Service Level Agreements are met and advises
on strategic business improvements for a more efficient day-to-day operation. Joselin was also
instrumental in managing the performance optimization of multi-disciplinary accounts during her tenure
in the Flight Centre Travel Group.
Prior to ATI, Joselin spent the start of her career working for a logistics company specializing in
manufacturing overseas and she also had work experience in startup companies as an operation manager.
Joselin holds a Bachelor of Media and Communication Degree from RMIT University and a Master degree in
International Relations from Melbourne University.
Kevin Anton Putra
Business Operations Manager
Kevin is Business Operations Manager of ATI Business Group for key clients. From 2019, he oversees all of
ATI’s operations consisting of 5 accounts with multiple disciplines such as Fare Loading, Ticketing, Finance,
Product Loading and Customer Services. His main responsibility is to work closely with stakeholders to deliver
performance alignment and improvement in accordance with our clients service level agreements.
Kevin joined ATI in 2015 as Accounting Client Support where he spearheaded the development of the Finance and
Accounting Support function for ATI and its clients. He subsequently took on the role of ATI Financial
Controller in 2017. During his 2 year journey in ATI as Financial Controller, Kevin was responsible for
all of the businesses financial needs ranging from financial reporting, budgeting, internal audit planning.
Prior to ATI, Kevin had work experience in Public Auditing, General Accounting, and Specialized Accounting
for a number of multi-national companies. Kevin holds a bachelor’s degree in Economics from Tarumanagara University.
Rio Tanos
Business Operations Manager
Rio joined ATI as Business Operations Manager in May 2024 and oversees multiple key functions, including Ticketing,
Preflight, Refund, and Customer Services. His main responsibility includes collaborating closely with both the client
account and his team to maintain and continuously enhance operational performance, ensuring that client expectations
are consistently met and further improved.
Prior to joining ATI, Rio amassed five years of experience in the outsourcing industry through his experience working
in BPOs across Malaysia and Thailand, where he gained expertise in managing operations and business processes.
Additionally, he spent three years at one of the largest and fastest-growing tech companies, managing the operations
of three sub-departments. Rio holds a Bachelor's degree in Accounting and Finance from Asia Pacific University, Malaysia.
Nurulhuda Annisa
People and Culture Manager
Nisa started her career with ATI Business Group in 2022 as Talent Acquisitions & Development Manager.
Her main responsibilities is to oversee the Talent Acquisition process and maintain Talent Development initiative
throughout the ATI Business.
With a Bachelor's Degree from the University of Indonesia majoring in Psychology, Nisa has 8+ years of working
experiences in Recruitment area both in inhouse and consulting firm. She started her career as Recruitment Consulting
in the Logistic, Supply Chain and Oil & Gas industry. Then, she continued to work with startup logistics as part
of one of the biggest technology platforms in SEA where she took the role as Country Talent Acquisitions. She moves to
take a role as Recruitment Consultant in RPO model with a global IT company as part of the Southeast Asia team.
Hartono Karmayana
IT & Digital Products Manager
Hartono is a dynamic IT & Digital Products Manager at ATI Business Group whose responsibility includes overseeing IT
operations, driving optimization and developing value-added solutions for clients. By leveraging technology and
fostering a culture of innovation, Hartono ensures that ATI's tech-driven focus enable and enhance our clients'
efficiencies, success and business growth.
Hartono is accountable in ensuring reliability and security of IT systems and data, while proactively identifying
opportunities to boost productivity and growth, which allows the company to stay competitive and responsive to market
demands.
Prior to joining ATI, his career highlights include successful key roles in multinational technology companies such as
Microsoft, and most recently in the financial services industry. Hartono holds a Bachelor of Commerce degree majoring in
Information Systems from Curtin University of Technology, Australia.
Ray Sukmajaya
Training Academy Manager
Ray has held the position of Training Academy Manager since 2018. As one of the key individuals who started the Training
Academy, he played a leading role in its establishment and subsequent growth, and under his leadership, the training
academy team has expanded significantly over the years.
His primary focus with the Academy team is to consistently support the operational team by addressing their training
requirements and ensuring a continuous flow of knowledge updates, including overseeing the implementation and development
of all training programs within the company, with the ultimate aim of meeting and surpassing client expectations.
With 25 years of experience in the Travel, Tourism and Aviation industry, Ray possesses a robust knowledge base in this
field. His expertise contributes to the company’s success, and he remains steadfastly committed to excellence in the
training and development team.
Mercylia Chuadri
Commercial Strategy Manager
Mercy joined ATI Business Group in early 2024 as Commercial Strategy Manager, where she kickstarted the
commercial team expansion to further accelerate ATI's business growth. She is responsible for the management of client leads, developing commercial services and offerings, whilst
nurturing a fruitful relationship and collaboration throughout clients' journey.
With a Bachelors of Business Degree in International Hotel Management from Blue Mountains Hotel School,
Mercy spent over 5 years in the Tourism and Hospitality industry before she continued to take her Master
of Commerce degree in Information Systems, and proceeded to take roles in several Marketing and Partnerships
positions in a multinational Media Agency in Sydney, an Indonesian Start Up and her own digital
marketing agency based in Jakarta
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