Management Team

EM Solutions is a proudly Australian company, born global, but of local talent.

Chief Operating Officer

Georgios Makris is an accomplished professional with over 30 years’ experience in the electronics and telecommunications industry. After earning his engineering degree from Hallam Sheffield University, he launched his career in the UK, working with leading companies such as Airtech, COMCEV, and MITEC, where he progressed into key engineering leadership positions.

In 2005, Georgios moved to Australia and joined EM Solutions, where he now plays a pivotal role in shaping the company’s operations strategy, managing supply chain processes, ensuring quality control, and overseeing product delivery. In addition to these responsibilities, he also manages customer accounts, maintaining strong relationships and delivering tailored solutions to meet client needs. His extensive experience and leadership continue to drive EM Solutions’ success and innovation in the industry.

Managing Director

John has over thirty years’ experience in the satellite telecommunications and electronics industry and prior to joining EM Solutions in 2003, worked at Mitec Pty Ltd and Filtronic PLC.

With degrees in Engineering and Commerce from the University of Queensland, John is responsible for leading, setting and implementing the strategy at EM Solutions, and holds full accountability for the business operations, overseeing customer projects, profit and loss, business performance, and stakeholder management within the company. 

Operations Director

Rhys Holmes is an experienced operations leader with more than 13 years’ experience across advanced manufacturing and engineering operations, supporting aerospace, defence and motorsport customers. Beginning on the factory floor at PWR Advanced Cooling Technology, Rhys rapidly progressed through senior leadership roles, overseeing high-complexity manufacturing operations and leading large, multidisciplinary teams.

He brings broad experience across manufacturing, engineering, supply chain, quality, safety and workforce development within highly regulated environments playing a key role in PWR’s achievement of AS9100D accreditation. Rhys’s experience is also complemented by a strong track record of business transformation, international expansion and capital investment involvement.

Rhys holds an MBA specialising in Logistics and Supply Chain Management and, as Operations Director, is focused on strengthening EM Solutions’ operational capability, driving performance and supporting ongoing sustainable growth.

Chief Technology Officer

Glen Callaghan has worked at EM Solutions for 20 years.  His main responsibilities include system level engineering of satcom-on-the-move (SOTM) terminals.  Glen was responsible for the initial design concept for SOTM terminals and the design of the beacon signal processing system, which estimates the terminal’s pointing error from the satellite’s beacon signal.  At EM Solutions, Glen has also developed a TDMA modem and has worked on certification of satcom terminals.

Prior to working at EM Solutions, Glen Callaghan worked at Mitec Ltd as a RF design engineer.

Chief Engineer

 John Wright joined the EM Solutions team in 2018 as a Mechanical Design Engineer, contributing towards the development of several products ranging across discrete RF modules, the Cobra and King Cobra Systems, and a satellite transceiver payload currently operating in low earth orbit.  As part of the SEA1442-Ph5 project, John moved into a Systems Engineer and later Engineering Manager position, leading the technical delivery throughout the development phase of the project.

Moving into the Chief Engineer role in August of 2025, John is responsible for the management and delivery of engineering design, technical governance and configuration management across the full EMS product suite.

Defence Programmes Director

Ryan Nash joined EM Solutions as a Project Manager in 2020 and moved into the role of Programmes Director in 2022, His role is to lead the successful execution of all EM Solutions projects from award to close.

Ryan served in the Australian Army, Royal Corps of Signals for 16 years as a Telecommunications Technician, Network Engineer and Satellite Communications Manager (Sergeant) where he built, deployed and managed networks and teams of varying sizes all over the world in challenging environments.  Ryan discharged from the Army in 2018 and worked as a Project Manager at Northrop Grumman before joining EM Solutions.

Ryan holds Diplomas in Project Management, Network Engineering and Leadership and Management and has over 17 years’ experience in military SATCOM.

Finance Director

An experienced financial leader able to deliver improved business performance through driving corporate strategy, enhanced commercial support, mitigating company risk and streamlining processes. With diverse experience encompassing multiple industries and an ability to create high performance finance teams through engagement, development and clarity of purpose.     

Céline Toussaint, who is originally from France, started at EM Solutions in August 2021 as an Office Manager, bringing a strong background from her previous roles in recruitment, accounts, and administration. She was responsible for keeping the office running smoothly as well as providing HR, marketing and administrative support.

In May 2022, Céline was promoted to the HR Manager role to fully manage recruitment activities, maintain staff benefits programs as well as developing HR strategies, policies, procedures across the organisation and handling employee relations.

 

Sales Director

Jason is an accomplished business executive with over 15 years of experience in Program Management and Business Development across Australia and international markets. As Sales Director, he is responsible for the strategy and growth of EM Solutions.

Jason began his career in the Australian Army, Royal Australian Corps of Signals, where he served as a Telecommunications Technician, Network Engineer, and Satellite Communications Manager, deploying capabilities across the globe. After discharging from the Army in 2010, he commenced his first role in industry as a Sales Executive at EM Solutions.

He has since held roles with major US defence primes, including L3Harris and Raytheon Technologies, gaining valuable experience across large, complex systems integration projects.

Jason holds a Master of Project Management and a Master of Business Administration from the University of Southern Queensland.