Our Team

Leadership Team

Tracker Software Technologies, also know as TST was born in 2015. It was the brain child of Liam Brennan who remains our CEO to this day. We are a remote working company maturing out of our start up phase, growing to become a trusted global partner to many corporations.

Liam Brennan

Chief Executive Officer

Liam devised the Tracker product and has over 25 years experience in Relocation, Travel Technology and Internet products. He manages the company and leads the development of the client base and technical feature set.

His focus is on the ever changing mobility landscape and his education in Psychology and a Masters in Business Administration helps him understand client company culture and how the Tracker products can enhance their management of this growing business problem.



Brian Curtin

Head of data protection & security

Brian Curtin is Head of our Information Security Department. Brian has been working in the information Security field for 15 plus year.
He has extensive experience providing customer focused security services to Fortune 100 corporate clients from multiple industries sectors. Such services include the creation, documentation and implementation of security incident management, business continuity management and security architecture programs.
Brian is a certified ISO27001 and ISO22301 Lead implementor with direct experience in implementing such standards. He has extensive knowledge in GDPR and the Data Privacy environment, IT service delivery and project management.
Before joining Tracker Software Technologies, Brian worked for a U.S multinational and has worked on projects in the U.S and other locations globally

Andrew Shaw


Andrew Shaw is Managing Director of ECA International, a global leader in the provision of knowledge, information and technology to the Global Mobility industry. ECA helps companies manage compensation and benefits for their short-term, long-term or permanent international workers around the world. Before joining ECA in 2013, Andrew spent more than 20 years in senior commercial roles at the Associated Press, PRS for Music and Liberty Global, including 5 years on assignment in Tokyo, Japan.

Alex WS

Alex Duller


Alex Duller is the CTO and software architect of the Tracker Software Technologies Platform. Alex has concentrated on building a product that allows the Research teams and Subject Matter Experts manage the day to day activities on the platform in a way that minimises draw on developer resource and maximises productivity and Rules Engine enhancements. Alex deploys the latest innovations in software and hasn’t been known to say ‘No’ yet.


Tom Crosby

Director, consulting services

Tom Crosby leads the Consulting, Account Management and Marketing activities for TST and is a lead contact for our White-Label Partners. Tom has been working in the Mobility and Compliance industry since leaving University and has lived abroad ‘On Assignment’ in the Middle East.
He brings the experience of supporting the Global Mobility programmes of some of the world’s largest companies in previous roles and now explores the complex world of Business Traveller and Remote Worker tracking with prospective clients. The aim here is to provide solutions that meet the needs of a variety of corporate cultures, risk appetites all whilst integrating with a variety of travel booking, HR IS and vendor platforms.
Tom is a well-known face in European mobility-circles and is often found speaking at Business Travel and Global Mobility-related events across Europe and the US. Topics typically include Traveller and Remote Worker tracking, compliance in a post-COVID world and the importance of duty of care for Travellers. Tom joined Tracker Software Technologies during the Summer of 2018, after managing Sales and Client Relations for a US-based Relocation Management Company.

Jeanette Ryan

Jeanette Ryan

Head of Research, Tax & Immigration

Jeanette Ryan is Head of our Research department. Jeanette has been working in the Tax and Immigration field for 20 years. Her experience crosses multiple jurisdictions and includes immigration and tax application processing and the provision of technical and compliance advice from large multinational corporations to small indigenous companies and private individuals. Before joining Tracker Software, Jeanette worked for a ‘Big Four’ tax firm for 9 years and spent 5 years working in two global immigration firms in London. Her time was spent providing Immigration advice to large multinational companies and leading a team of Immigration Advisors dedicated to these accounts. Jeanette is an AITI Chartered Tax Adviser (CTA).Tracker Software

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