Executive Team

Julian Challingsworth

 Julian Challingsworth MSc, CA, FCPA, FAICD

Co-CEO, Tesserent

Julian joined Tesserent after serving as Managing Director and a Partner of The Litmus Group for over 10 years and a board member and Partner of PPB Advisory. In addition to advising over 20 organisations on growth acceleration strategies in Australia, Asia and Europe, Julian was a key driver in growing Litmus in Australia and internationally before it was acquired by PPB Advisory.

Julian was a director or Cordence Worldwide, a global consulting partnership with 2,800 consultants across 60+ locations. Julian worked with the international team to develop sales and growth strategies for the 8 member firms.

With a strong professional services and corporate finance background, Julian has a Masters of Organisational Consulting from Ashridge Business School (UK), a Graduate Diploma in IT, Swinburne University (Aust) and a Bachelor of Business, Accounting, RMIT (Aust). Julian is a member of Chartered Accountants (CAANZ), Fellow Australian CPA (FCPA) and a Graduate, Australian Institute of Company Directors (GAICD).

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Kurt Hansen

 Kurt Hansen

Co-CEO Tesserent

Kurt has over 30 years of IT industry experience driving sales and delivery transformation and impressive business growth across many IT and cybersecurity organisations in Australia and New Zealand.

Kurt was the CEO at Pure Security where, as part of the PS&C Group he integrated four security businesses following their acquisition and listing on the ASX. Previous roles include executive, senior management and operational positions at Check Point Software Technologies, F5 Networks, AirData, Symbol Technologies, Telstra Wholesale, Cisco Systems, and Ericsson.

Prior to commencing his corporate career, Kurt joined the Australian Army as an electronic trainee, later becoming a commission officer and finishing his military career in Royal Australian Signal Corp with the rank of Captain. He holds a Diploma of Engineering from Swinburne Institute of Technology.

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 James Jones

Group CFO, Tesserent

James joined Tesserent after serving as CFO of the Australian FMCG business, Bellamy’s Organic Group which was formerly an ASX listed business (sold in a public to private transaction in 2019).

In his role at Bellamy’s, James was responsible for leading the Finance team across multiple jurisdictions in the delivery of technical accounting, reporting, audit and tax requirements plus statutory reporting and board reporting for Bellamy’s Group. 

James led projects to develop and improve financial/accounting systems and controls, plus cash management procedures to adapt to changes in the ownership and business operations in line with local and international requirements.

Prior to his role at Bellamy’s, James was a Director at Deloitte and then EY (in the United Kingdom) working in an advisory capacity on restructuring, distressed assets and M&A transactions.

James has worked on the ground on both sell side and buy side mandates, as well as fund raisings and Stock Exchange listings on both ASX and LSE.

James has extensive experience in financial modelling and scenario analysis, plus providing advice on bid tactics, sale and purchase contract structuring and purchase price mechanics through execution of M&A deals.

James has significant cross-sector experience, having executed transactions of businesses and operations within the airline, manufacturing, shipping, infrastructure, retail, FMCG and Financial Services sectors.

James has a Bachelor of Commerce and a Bachelor of Science from The University of Melbourne (Aust) and is a member of Chartered Accountants (CA ANZ).

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 Nathan Knox

Head of Synergies, Tesserent

With a background in similar roles at ASX100 Companies and Government agencies including NBN Co, Coles and Woolworths, Nathan is well suited to spearhead the Company’s synergies strategy.

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Alexandra Belcher

 Alexandra Belcher

Head of Marketing

With experience in IT sector B2B and B2C marketing, client experience management, corporate internal communications and customer facing roles - some of these across complex multi-national teams and some within medium sized businesses, Alex is an adaptable communicator and manager. Her experience includes roles at IBM, Telstra and Jellis Craig. Alex holds a Bachelor of Arts (University of Melbourne), a Masters of Marketing (Melbourne Business School) and AICD Foundations.

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 Emmeline McIllree

Human Resources Executive

Emmeline is an energetic and accomplished Human Resources Executive with extensive experience across a variety of industries. Her experience in senior HR roles includes some of Australia’s most well-known brands - PwC, St Kilda Football Club, Australia Post, Telstra and the Melbourne Racing Club. Throughout her career, Emmeline can evidence a track record of driving, implementing and embedding sustainable change. She is effective at managing ambiguity and complexity, turning strategy into action and influencing people-decisions via sound judgement and trusted relationships. An engaging and authentic leader who is passionate about people and creating great places to work, Emmeline is eager to make a positive impact!

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Robert Silver

 Robert Silver

Head of Data and Analytics

With over 25 years of experience in the IT industry, Robert has held a number of senior management roles in system integration and professional services companies in Sydney and Melbourne. His experience spans a broad range of industry vendors with a strong focus on datacentre technologies servicing all levels of government and commercial enterprises. More recently, as founder and CEO of Rivium, Robert has over a decade of experience with Splunk and operational intelligence solutions focussing on regulatory audit and compliance, operations and application management and enterprise security.

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George Katavic

 George Katavic

CEO, north - security.digital

George has more than 25 years of experience with consulting organisations in the Federal Government market. George founded BCT, a specialist in Defence and National Security consulting which later became part of UXC in 2006. From that time George was responsible for building UXC Consulting in the ACT, combining 6 disparate and small brands which evolved into the largest Australian owned Consulting organisation in the ACT. With over 200 staff including over 100 cybersecurity staff, UXC was largest cyber consulting organisation in the Federal Market. Prior to his current role with north, George was the Managing Partner of DXC Consulting in the ACT. He co-founded north in 2018 which has cemented itself as a leader in the cyber field in the ACT.

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 Scott Ceely

CEO, Seer Security

Scott has worked in cybersecurity roles for over 20 years, with 13 of those in the Australian Federal Government.  His government roles spanned the National Intelligence Community, the Department of Prime Minster and Cabinet and he also served as a diplomat at the Embassy of Australia in Washington DC.  After leaving government, Scott built the Asia-Pacific branch of Context Information Security, before starting Seer Security in 2016.  Scott holds a Bachelor Engineering in Computer Engineering and a Master of Management majoring in Technology and Innovation.

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 Chris Hagios

Managing Partner, Defend & Protect

Chris was the founder and Managing Director of airloom. Chris has over 20 years of start-up and high growth technology company experience leading consulting, product, software development, marketing and sales teams. He brings innovation and success in mobile, cloud and the cybersecurity industries with his unique business sense, technical acumen and vision for the future protecting enterprise data.

Chris leads the Tesserent Defend BU and has oversight to develop and grow our Assurance, Advisory/GRC, Products & Technology and Data & Analytics segments, all of which are focussing on services and solutions designed to defend and protect our client’s digital assets.

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 Craig Humphreys

Managing Partner, Cloud

Craig is an IT veteran having held leadership positions in both Australian and multi-national organisations over the past 25 years. He founded iQ3 in Sydney in 2010 with a strong vision to address the dynamic landscape of IT and the growing appetite for consuming IT as a Service. Building a team of professionals and establishing a significant position delivering Secure Cloud services to a large number of Government organisations, as well as Australian and multi-national corporate clients, saw iQ3 ranked 28th in BRW’s fast 100 in 2015.

Craig leads the Tesserent Cloud BU providing clients with highly secure services lines involving public cloud, private cloud/IaaS and hybrid managed cloud offerings.

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 Hamish Soper

Senior Partner, New Zealand

With over 15 years’ experience transforming IT businesses, this role will see Hamish taking the Tesserent Defend and Detect & Cloud offerings to the NZ Market and assisting the Tesserent Lateral Security team to expand the existing Advisory/GRC and Assurance business.

Previously, Hamish was Country Manager with Check Point Software Technologies where he built the business from $2M to $16M over a 10-year period. In 2017 he established the AppDynamics (a Cisco Company) business in New Zealand and then returned to Check Point in 2018 as ANZ Channel Director. Earlier roles include running the M2M (IoT) sector at Vodafone.

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 Deepak Singh

Managing Partner, Detect

Deepak is a seasoned Information Security professional with over 20 years of experience in the information security domain. He has held leadership roles in local and international information security organisations of various scale. He was instrumental in the growth and success of Secure Logic, which provided end to end information and cybersecurity solutions and services in various sectors. His customer focused view enables the right balance of security investment against business objectives, which is driven through his expertise in the field.

Deepak leads the Tesserent Detect BU which provides secure monitoring and detection services designed to protect our client sensitive assets and information against global cyber threats.

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