Meet The Team

The members of our leadership team provide a depth of industry and operating experience that is fundamental to the success of ATI Business Group.

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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