Our People

A global team who care about our customers

Numedico employs a global team of committed, skilled and customer-focused professionals who are driven by excellence. 

The team stands behind our technology and the quality of Numedico products. With people located around the globe, you can be assured of excellent customer service wherever you are worldwide.

If you would like to speak to any team member about our product portfolio or how to connect with our global network, please don’t hesitate to contact us.


  • Neville Calvert

    Founder & CEO

    Neville is a lifelong entrepreneur with extensive strategic experience. For more than 30 years Neville worked in a diverse range of roles, including Company Chairman, Partner of Big Four business advisory firm KPMG, Public Company Director and CEO, Private Company Director. He also has international sport and military experience.

    As Founder & CEO, Neville is responsible for Numedico’s direction, vision, and steering the company towards success. He is an exceptional leader and professional coach and he has built an outstanding team around him to support the business.

    Connect with Neville on LinkedIn here: Neville on LinkedIn
  • Craig Thomas

    Chief Financial Officer

    Craig’s passion is turning business visions into reality by conceptualising diverse challenges and resolving them through to completion. Craig is a persistent strategic motivator and mentor with an eye for detail. He has been educated, lived, and has worked locally, nationally, and internationally. This has given him a diverse, multidisciplinary, and unique skill set with the ability to effectively lead and deliver in many environments/businesses. He has operated as an Executive Director and Managing Director in a range of industries since his mid-thirties. This experience has been in government, automotive industry, electrical and manufacturing, specialist metal treatment and corrosion protection, large scale food distribution, and as an advisor and facilitator.

    Connect with Craig on LinkedIn here: Craig on LinkedIn
  • Kelly Zhou

    Head of Finance

    Kelly has over 20 years’ experience in finance and accounting for top multinational companies in various industries, including medical, chemical, service and luxury. Kelly is an Australian CPA, Chinese CPA, and an associate member of CIMA (UK).

    Kelly’s main responsibilities are to build the finance team, assist senior management with decision-making and support other functions proactively as a business partner, through various of reporting, budget, process optimisation and change management. Growing with and adding value to Numedico are two of Kelly’s primary goals.

    Connect with on LinkedIn here: on LinkedIn
  • Robert Menadue

    Regulatory and Quality Assurance Manager

    Rob supports the Numedico team as QA and Regulatory Manager after more than 25 years in operational, technical, and planning roles with well-known consumer brands in the dairy, beverage and pharmaceutical industries. Providing excellent customer service is his passion in the workplace, while at home Rob loves working in the backyard and spending time with his family. Since joining the team, Rob feels fortunate to be working with such a positive and hardworking group of people and is excited about the future of Numedico.

    Connect with Robert on LinkedIn here: Robert on LinkedIn
  • Alicia Sisson

    Customer & Sales Support Lead

    Alicia has more than 8 years’ experience working in exports, processing documentation for customs clearances, managing logistics, and processing orders for overseas customers.

    In her role, Alicia coordinates Numedico’s planning and logistics function. She works closely with our network of global partners to ensure our customers get what they need, when they need it.

    Alicia loves working in logistics because she likes a challenge. One of her strengths is thinking outside the square and finding solutions to challenging situations.

    Connect with Alicia on LinkedIn here: Alicia on LinkedIn
  • Inés Thoma

    Sales Representative

    Inés comes from Germany and supports the Sales Team in Australia. She grew up in the South of Spain and studied international business in Germany. In her role she is responsible for processing orders for Australian and overseas customers and working closely with customers and global partners. Some of her strengths include her knowledge of languages and ability to take on new challenges. She believes in the value of teamwork, which Numedico promotes so well and which was one of the many reasons she wanted to join the company and be part of the whole team.

    Connect with Inés on LinkedIn here: Inés on LinkedIn
  • Kasun Silva

    Supply Chain Manager

    A supply chain specialist with 7+ years’ experience, Kasun has a strong track record in supply chain strategy, business transformation, logistics management and ERP implementations, with proven team management and leadership skills. In his role at Numedico, Kasun handles the logistics function, systems and works alongside Robert for sourcing & procurement. His role includes responsibilities in special projects and his core project is developing a new revenue stream on wellness for Numedico.

    Connect with Kasun on LinkedIn here: Kasun on LinkedIn
  • Melanie Carstensen

    Regulatory Specialist

    Mel has extensive technical and regulatory experience in the flavour and fragrance industry, bringing valuable skills to her role as Regulatory Specialist at Numedico. She is responsible for registrations, document control, research, and other regulatory functions. Liaising with both internal and external customers, her attention to detail and ability to adapt to changing market environments is an asset to the team.

    Connect with Melanie on LinkedIn here: Melanie on LinkedIn
  • Wirawan Suttaharutai

    Regional Sales Manager

    Wirawan is Numedico’s Regional Sales Manager. She is responsible for the management of the Asia Pacific global offices and quality control. This includes liaising with manufacturers, suppliers, distributers, and customers across the region. Wirawan is an experienced marketing and administration professional and an important member of Numedico’s global network.

    Connect with Wirawan on LinkedIn here: Wirawan on LinkedIn
  • Dr Greg Roger


    Dr Greg Roger has more than 30 years' experience in the field of medicine, bio-medical engineering, product development, and commercialisation. Having developed, patented, and commercialised medical devices, Dr Roger is familiar with the key issues of this industry for individuals through to larger corporations. Dr Roger was selected by the Federal Government to spearhead Medical Device commercialization in Australia. His broad industry, regulatory, engineering, and medical experience made him the stand out candidate for the role. Dr Roger founded and is currently Managing Director of Vestech, a company developing and licensing intellectual property in medical devices. He successfully led the start-up of the business and is now working with a team of bio-engineers to provide specialised biomedical engineering solutions and consultancy services for businesses and individuals.

    Connect with Dr Greg on LinkedIn here: Dr Greg on LinkedIn
  • Georg Roessling


    Georg Roessling has been a consultant since 2017. From 2006-2017 he held the position of Sr. Vice President of PDA Europe, where he started the office in Europe and developed a number of conferences and training courses together with regulatory agencies, pharmaceutical industry and suppliers. Before that he worked from 1984-2005 with Schering AG in various positions. These roles included head of pharmaceutical devlopment of parenterals and head of Global CMC Technology office.

    Georg is a chemist by training, has a PhD in Physical Chemistry from the university of Karlsruhe and was a post-doc in Chemical Engineering in Berkeley, USA. He has been a PDA member for almost 30 years and he received the PDA Honorary Membership.

    Connect with on LinkedIn here: on LinkedIn