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Director & Partner
Johnny Konstantinou

Johnny brings over 22 years of global experience within Financial services, responsible for all operational staff globally as well as key development centres in the Philippines and India.  Johnny is focussed on ensuring strong alignment between our customer needs and our operational output, including strategic business development across Banking and Professional Services through our key Global Fintech partnerships.

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Head of Engineering
Mark Thompson

Mark is responsible for leading the ACS Engineering practice, building out traditional and modern capabilities through internal and client initiatives, enabling ACS to be a leader in open banking orchestration.  Mark ensures our full stack development capabilities, Integration expertise, coupled with our partner product access, enables innovation offerings to our customers via consultancy, capability build out and managed service options.  Utilizing a core programming language such as JAVA, with deep experience in the production of microservices, open restful API’s and modern authentication standards such as Open ID Connect, Mark and his team deliver world class thought leadership in IT & Engineering.

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Business Development Lead
Sarah Hosking

Sarah is responsible for assisting in the growth of our services base across the Australia and New Zealand markets. Focused on ensuring that ACS and the ACS offerings are able to meet customer needs and outcomes, Sarah is passionate about ensuring strong synergy between our customers values and Adventure. With her own unique journey and adventure leading to her role at ACS she epitomises the organisations value and belief that growing with our customers and staff in a sustainable and productive fashion ultimately brings the greatest reward.

Richmond AFLW Vice Captain.

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Head of Product
Raja Santhalingam

Raja is responsible for the Strategic Product function across the company, identifying opportunities, developing product and solutions focusing on Financial Services Industry. He leads the India ACS staff and location strategy supporting business development and growing the business directly in India. 
“Finastra Certified Fusion LoanIQ Functional Implementer”.

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Salesforce Practice Lead
Ross James

Ross brings over 15 years of Salesforce implementation experience across diverse industries including Finance, FMCG, Pharmaceuticals, Media, Communications and Engineering.  Ross is focussed on supporting our clients with strategic consultancy to help ensure delivery of Salesforce Implementations across the Banking domain, including integration with internal platforms, while overseeing the ACS Salesforce practice maturity that enables our clients to build in house capability beyond staff augmentation.

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Head of Functional Consultancy
Andrew Booth

Andrew Booth, Head of Functional Consultancy, is responsible for leading the ACS Business Consultancy Practice.  Andrew brings over 20 years of experience within the banking and finance industry predominately within the Institutional lending operations domains, transferring his extensive knowledge and experience leading Implementations, Client training and support globally within the ACS community of practice, where all our Technical and Functional specialists, benefit from product knowledge, implementation best practices, as well as first class support for our clients evolving business best practice to leverage latest technology solutions.  

“Finastra Certified Fusion LoanIQ Functional Implementer”.

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Finance Director
Julie Mercado

Julie is responsible for the ACS Finance team looking after our global staff payroll and customer invoicing capabilities across jurisdictions. Responsible for engaging with our global customer base and finance departments to ensure the most accurate reporting and highest standard of financial processing. Julie has worked across industries and brings her global exposure to ACS to the benefit of our customers and staff.

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Marge De Vera

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Kris Briones

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Nick Fielding

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Clarissa Cayento

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Our Global Talent services team are here to help with all your recruitment and consultancy needs, helping our clients, partners and employees with First class end to end recruitment and Talent capability solutions


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