Ian Buddery


Ian Buddery serves as Chairman of CriticalArc, bringing extensive international business experience. During his 28 years in the technology industry, he has held several senior management positions with major multinational organisations and local firms. A software engineer, he worked in real-time systems for the resources, finance and defence industries before starting his first software company in the UK in 1977.

In 1991 he founded eServ Global, soon becoming SUN’s largest VAR and growing to become the world’s largest independent supplier of mobile prepaid software for the Telco industry. After its first VC investment in 1998, Mr Buddery executed successful IPO’s on the ASX in 2000 and the LSE in 2004. With a focus on the telco industry, eServ Global made six acquisitions, grew to 700 people with a $180m revenue serving 85 telco operator customers across 54 countries.

Buddery exited the company in 2010 after the trade sale of the core business to a major US software vendor. Ian Buddery is a Charter Member TiE Sydney, a member of Commercialisation Australia’s Expert Network and has been President of Asthma Foundation, New South Wales since 2002.

Evan Penn

Non-Executive Director

Evan Penn serves as a non-executive Director of CriticalArc.

He has had a 25 year career in owning and managing businesses from plastics manufacturing to IT centric data storage companies in Australia, USA and Asia. Over this time Penn has engaged with many of the largest companies in the world.

Mr Penn has experience in managing complex logistics and technology companies and putting in place the necessary systems, processes and capital required to see them succeed.

Glenn Farrant


A former Navy Weapons Engineer and manager of Maritime Command IT, Glenn more recently led security systems development for Honeywell, which included the delivery of software products for some of the highest profile and highest security sites in the world.  During this time, Glenn developed a deep understanding of the technology and practical requirements of high security and regulated environments.

To this knowledge of software product development and operational requirements, Glenn adds frontline experience of coordinating and distributing difficult-to-manage events.  It’s this combination of factors that led to the vision for SafeZone.

Glenn regularly gives talks on the subject of using the latest technology in managing security and safety, and also contributes by speaking with, mentoring and advising early-stage technology companies.

Responsible for general management and product direction at CriticalArc, Glenn continues to stay at the forefront of new technology in order to ensure that CriticalArc’s products are able to solve difficult problems in new, more effective and previously impossible ways.

An engineer at heart, Glenn is passionate about technology and the opportunities it provides for changing how the world works.

Jahmai Lay


Jahmai leads the technology direction for CriticalArc where he drives the development of diverse product components over a wide range of technologies.

Prior to CriticalArc, Jahmai led software development with Honeywell, where he provided support and new feature development for enterprise-level surveillance systems.  This culminated in Jahmai leading the development of Honeywell’s next generation user interface for its global CCTV product, providing a major capability enhancement through the use of the latest technology.

Jahmai has also held a senior engineering position with Smarts Group, where he made major contributions to their leading, high throughput, real time financial surveillance systems.

The consummate computer scientist, Jahmai’s major interest lies with secure distributed systems.  The development of SafeZone’s secure, real-time cloud service embodies Jahmai’s experience and capability in this area.

An expert in Microsoft technologies, Jahmai also leads a team delivering cloud services and applications using C#, iOS, Android, Windows Phone, a number of cloud platforms and innovative database technology to which the team contributes code.

When it comes to a technical solution, Jahmai’s favourite response is: “Tell me how you want it to work and we’ll make it happen!”

Darren Chalmers-Stevens

Director, EMEA

Darren Chalmers-Stevens is a senior technology executive with proven success in business development, partner management and building world-class teams for international technology and services companies.  As Director, EMEA, Darren is responsible for driving sales, service, operations and strategic partnerships in Europe, the Middle East and Africa. Darren has a specialist area of expertise covering Critical National Infrastructure projects, Corporates and Public Sector (Education, Healthcare, and Emergency Services) where he has provided Consultancy, acted as the sales lead and led the delivery of some of the largest integration programs in the world.

As the leader for EMEA, Darren underpins CriticalArc’s operations in Europe initially with a mandate to grow the entire region. With his experience working with culturally and geographically diverse organizations, he specialises in business development within fast growing and emerging territories.

Darren is a regular contributor to online and print publications, providing insight and advice to many government and blue chip organizations across EMEA on how to respond to today’s evolving threat and risk landscape.  Addressing situational awareness, convergence, corporate governance and compliance challenges, Darren educates the market on using best practice technology implementations to deliver tangible value to both security operations and corporate bottom lines.

An internationally recognised security technology expert, before joining CriticalArc, Darren served as Vice President, EMEA for VidSys, Inc where he led year-on-year triple digit growth for three years, prior to that he was the technology development manager for ADT Fire & Security, where he led UK and Ireland business development and IP physical security strategy working directly for the ADT UK Executive team.  Before that, he held several senior positions for Computer Network Limited (CNL), including vice president professional services.  He was also Business Manager for Integrated Communications at IBM in the United Kingdom, where he managed global solution development and delivery. Darren is an American Society for Industrial Security (ASIS) Chapter Member and regularly participates in speaking engagements at high profile security events cross the globe.

Robert Christie

Head of Sales and Marketing

A civil engineer by training, Robert has specialised in sales of Australian technology and software solutions for 25 years, with a strong focus on export. An early business model innovator, he began creating third-party sales channels in the early 90’s and since then has recruited over 80 active partners, with sales success in more than 20 countries.

In the last 15 years he has focused on Location Based Services (LBS) using mobile technology. One of his career highlights was in 2000, when in partnership with J-Phone (now SoftBank Mobile), APAS Inc. and NS Information Systems, he was responsible for launching the then world’s most commercially successful LBS application, “J-NAVI”, which achieved more than 3 million users in its first week of operation.

Prior to moving into the software industry, Robert worked with State and Federal government departments where he devised two industry-changing engineering innovations.

An experienced presenter at technical and industry conferences, he has authored 20 papers and chaired a number of conferences overseas.

From CriticalArc’s inception, Robert worked closely with founders Glenn and Jahmai to devise the sales, marketing and business strategies that are now building SafeZone’s market success locally and overseas.

© Copyright CriticalArc Pty. Ltd. 2018