ADAM MITCHELL

ADAM MITCHELL

MANAGING DIRECTOR

Adam is the Founder and Managing Director of Thinkstream, with over 25 years’ experience leading complex ICT delivery across government and enterprise environments.

With experience spanning the Government, ICT, Science, Legal, Health, Investment, and Energy sectors, Adam has led the strategic development and implementation of large-scale ICT initiatives across both public and private sectors. His work has provided exposure to innovative uses of technology, leading practice delivery frameworks and high-performing operational models.

Adam has extensive experience across the full lifecycle of program and project delivery, including strategic planning, procurement, contract negotiation, implementation and operational management. He works closely with senior executives across government and industry, supporting organisations in delivering outcomes in complex, highly regulated environments.

As Managing Director, Adam is responsible for setting Thinkstream’s strategic direction and ensuring the organisation maintains a strong focus on quality, governance and trusted delivery. Under his leadership, Thinkstream has built a reputation as a reliable partner in government ICT delivery.

Adam also leads Thinkstream’s continued focus on strengthening security and governance practices, including achieving ISO 27001:2022 certification, reinforcing the organisation’s commitment to protecting sensitive information and maintaining a structured information security management framework.

In addition to Thinkstream’s consulting services, Adam is closely involved in the evolution of caseconnekt, Thinkstream’s secure and adaptable platform designed to support complex workflows and collaboration across industries.

He also supports Thinkstream Together, the organisation’s community initiative focused on strengthening local communities and creating meaningful opportunities through partnerships with schools, sporting organisations and community groups.

Adam’s leadership approach is grounded in building strong relationships, maintaining clear communication and ensuring that client needs are understood and addressed. He is committed to delivering practical, effective outcomes that are aligned with long-term organisational objectives.
ROSIE Harris

ROSIE Harris

EXECUTIVE ASSISTANT

Rosie is the Executive Assistant to Thinkstream’s leadership team and a key contributor across all areas of the business.

Having been with Thinkstream for almost a decade, Rosie plays an integral role in supporting the organisation’s day-to-day operations and ensuring consistency across both internal and client-facing activities. She works closely with Adam and Michelle, supporting all aspects of leadership, operations and strategic initiatives.

Rosie is a central point of contact for Thinkstream’s team members, as well as government and private sector clients. She manages a wide range of responsibilities including client communication, contract coordination, payroll support, operational processes and event delivery.

Her role extends across multiple functions of the business, combining elements of executive support, office management and operational coordination. Rosie also works closely with Michelle across marketing initiatives and supports the delivery of Thinkstream Together, contributing to the organisation’s community partnerships and events.

In addition, Rosie plays a role in supporting Thinkstream’s Queensland presence, contributing to coordination and operations across the Noosa office.

Rosie is known for her reliability, attention to detail and ability to manage multiple priorities seamlessly. Her deep understanding of the business and strong relationships across the organisation make her a trusted and valued member of the Thinkstream team.

Rohan UNTERSTEINER

Rohan UNTERSTEINER

DIRECTOR OF PROFESSIONAL SERVICES

For over 15 years, Rohan has worked within the Telecommunications and Information Technology sectors, delivering ICT Professional Services & Strategic Sourcing Solutions to Federal and State Government clients nationally. He has worked with multiple leading Professional Services and Recruitment firms, focusing on business strategy, management, operations, and the development and oversight of large portfolios of government clients.

Rohan has built a strong network of clientele, consultants, and strategic partners, and he is passionate about connecting people and businesses to solve problems or create new solutions and capabilities.

Gurjiv Singh

Gurjiv Singh

DIRECTOR OF ARCHITECTURE AND ENGINEERING

Gurjiv brings over two decades of expertise in solutions architecture and software engineering. He has led complex digital transformation projects for federal government departments and global enterprises, designing scalable and secure technology solutions.

Recognised for his hands-on approach, Gurjiv is deeply involved in technical design and solution delivery, ensuring high standards of performance, security, and scalability.

He excels at bridging the gap between business objectives and technical execution, ensuring innovative solutions align with strategic goals. His collaborative leadership and strategic vision drive Thinkstream’s commitment to delivering impactful solutions that meet evolving business needs.

Michelle Mitchell

Michelle Mitchell

DIRECTOR OF MARKETING

Michelle is the Marketing Director at Thinkstream, where she leads the organisation’s marketing and communications strategy and shapes how Thinkstream presents its expertise across government and enterprise sectors.

Her role sits at the intersection of strategy, brand, growth and partnerships. Michelle is responsible for positioning Thinkstream as a trusted partner in government ICT delivery, ensuring the organisation’s capabilities are communicated clearly and consistently across all channels.

Over the past fifteen years, Michelle has played a key role in building Thinkstream’s brand and market presence — supporting initiatives spanning strategic positioning, digital presence, conference engagement, stakeholder communications, and long-term growth opportunities.
A central focus of her work is ensuring that Thinkstream’s brand reflects the values that underpin the organisation’s operations: innovation, connection, and trust.

Michelle also leads Thinkstream Together, the organisation’s community initiative that supports schools, sporting clubs, and community groups in creating meaningful opportunities and strengthening local communities.

Her approach to marketing is grounded in authenticity. She believes strong brands are built through credible expertise, genuine relationships and consistent delivery, rather than promotion alone.
Working closely with Thinkstream’s leadership team, Michelle is passionate about helping organisations communicate their capabilities clearly, build trust with their audiences and create opportunities for sustainable growth.
Craig Mackie

Craig Mackie

DELIVERY MANAGER

Craig is a passionate business development and account management professional. As a sales management expert, he has worked across various industries to create and maintain strategic relationships for mutual growth and beneficial outcomes for his clientele. As a senior negotiator and team lead for global sales and contractual agreements for multiple large B2B companies, he understands how to apply his skill set to reach successful outcomes.

At Thinkstream, Craig is dedicated to building relationships within the ICT contracting market and connecting ICT specialists with our extensive portfolio of client projects.

 


Jason King

Jason King

PROJECT MANAGER

Jason is a Senior Consulting/ Service Delivery/ Project Manager and Business Analyst with over 20 years experience in empowering people with data/information, new business development and people management/mentoring.

With a proven track record of effective communication and motivating teams to consistently exceed expectations and targets. He committed to excel in service to the employer and their clients with a desire to seek new professional challenges.

Julia Powl

Julia Powl

DELIVERY MANAGER

Julia brings over 10 years of experience in management, leadership, recruitment, and client services, with a proven track record in building strong client relationships and delivering exceptional outcomes. She has successfully worked across diverse industries, including health services, hospitality, and recruitment operations. Julia’s approach is centered on understanding client needs and providing tailored solutions that drive business success and client satisfaction.

At Thinkstream, Julia leverages her extensive recruitment background to connect top talent with exciting opportunities across a wide range of industries, including ICT, health services, and other sectors. Her dedication to fostering long-lasting relationships with clients and candidates is at the core of her role as a Delivery Manager, where she strives to deliver high-quality outcomes and create value for both parties.