About us


Joe Ringer 
Founder and Managing Director 

Joe brings to Unitive extensive experience from the Information Communication & Technology industry. He has worked with Tier 1 and 2 clients from across the globe in sectors as diverse as mining, oil and gas, manufacturing, banking, transport, utilities, EPCM, public sector, and healthcare.

Joe’s specialties include business development, complex sales, alliances, strategy development, organisational change management, complex stakeholder management, facilitation and coaching.

Mel Ringer 
Executive Director – Unitive Impact 

Mel is an experienced consultant with extensive experience in private and public education sectors. She is dedicated to the development and delivery of quality engagements and programs that focus on environmental and social impact. Her creative work as an actor compliments these engagements with unique perspectives on personal presence and leadership. With qualifications in science, teaching and environmental management and sustainability, Mel is able to bring best practice, process, quality rigour and practical guidance to clients, whilst helping craft a clear vision for social and environmental change.

Business consultants

Bobby Mehta
Senior Consultant 

Bobby is a visionary leader with extensive experience in private and public sectors as well as establishing new businesses. With specialties in executive management, organisation change and strategic sourcing, Bobby has implemented procurement business units delivering successful market engagement and management of over 140 IT and business contracts, held executive leadership roles for major IT organisations and overseen large scale infrastructure and business application projects. He has designed and led outsourcing implementations with next gen “As a Service” model

Andrea de Wattignar
Senior Consultant

Andrea is a commercially astute, dynamic facilitator and creative thinker who is accustomed to complex transformation environments. Andrea brings 15 years in facilitating people, technology and process change in large organisations and communities and managing change across multiple business channels. Leveraging design and systems thinking in a human-centred approach, she quickly understands and dissects problems, deeply engages, aligns and mobilises collaborators, while accelerating and influencing sustainable change. 

Tracey Hamilton 
Senior Consultant

Tracey is a business growth acceleration expert who leads Moveo Global, a strategic partner to Unitive. With a Masters in International Business and Marketing from Monash University, Melbourne, she has had a successful career accelerating the commercial growth of some of the world’s most ambitious firms – Facebook, Google, YouTube, Spotify, Uber, Unilever, J&J, General Motors, Samsung, Hewlett Packard, GE, Standard Chartered Bank, ANZ, SEEK.com to name a few. 

She’s also had a hand in the growth of an increasing number of next generation tech firms in her Advisory business. Tracey sits as non-executive officer on the board of fashion tech firm, Puctto, Fintech business StroPro, AI & ML business ASMI, and Jetpack (!) start up iJetpack. She also represents the New Zealand Government in her role as Digital Beachhead Advisor for NZ Trade & Enterprise. 

Paul Gibbs 
Senior Consultant

Paul is an experienced information technology executive with a successful track record of developing and delivering innovative services and solutions with partners to complex organisations for positive business outcomes for clients and the business. Paul has held a number of general manager roles and leadership positions in large services organisations with a focus on introducing emerging technologies to mainstream IT business services.

Paul’s key skills and experience include:

  • Leadership of IT Services for enterprises with complex operational and service delivery environments
  • Successful track record in developing and delivering innovative services and solutions across cybersecurity and cloud to complex organisation
  • Developing and delivering IT security services into complex organisation undertaking IT transformations
  • Building balanced resourcing for delivery through outsourcing and managing skills sourcing
  • Procurement and contract negotiation for outsourcing and shared services
  • Governance and commercial management
  • Financial and budget development and management
  • Cost Reduction Strategy and delivery

Phil Sharratt 
Senior Consultant

Phil has over 20 years experience in information technology, banking and finance, manufacturing, state government and consulting. He brings extensive experience across all major aspects of Human Resource Management and Organisation Change Management (OCM).

His OCM experience includes planning, implementation and evaluation of change management across major projects, mergers and acquisitions, restructuring and cultural change. He is a highly skilled facilitator and coach in the areas of sales, change management and change leadership.

Paul Meyer
Senior consultant

Paul has worked in the IT industry for 40 years, with the last 1tenfocused on business improvement consulting. With a strong background in operational and infrastructure delivery working for global corporates, Paul uses his skills to diagnose business problems and provide solutions. In recent times, Paul has specialised in business assurance practices and auditing of programs, projects and contracts. Paul holds a Degree in Mathematics and Science, a Black Belt in Six Sigma, as well as a Masters in Accelerating Implementation Methodology.

Sandra Cruz
Senior consultant

Sandra has contributed to the success of small and large companies as a consultant and senior member of a global Fortune 500 company. She has provided knowledge, solutions and expertise around organisational change, agile methods, project life-cycle, methodology, business architecture, business process and training.  Sandra combines technical knowledge with business acumen and leadership skills to advise, manage and train professionals, enabling them to be their best.

Hope Delahunty
Senior Consultant

Hope is a senior change management consultant who has worked in a range of roles in financial services and government for over a decade. Hope’s depth of experience in project management and change makes her a valuable addition to any team dealing with large scale organisational change. With specialties in cyber security, technological projects, organisational change, agile delivery and flexible, distributed and activity based working, Hope is a valuable part of the Unitive team.

Business creative consultants

Dave Thomsom
Graphics Facilitator 

David transcribes content at conferences, keynote presentations, corporate workshops and team strategy meetings, creating lively visual stories that engage and inspire. His graphics promote creativity, innovative thinking and support lasting memory of content. His work is a powerful and effective addition to any successful strategic planning session, leveraging visual thinking for massive business results.

Jeremy Ham 
Digital solutions 

Jeremy is a talented digital solutions and graphic design entrepreneur. He is skilled at translating customer requirements into engaging user experiences and visual solutions. Jeremy has a Bachelor degree in Graphic/Web design (with a minor in marketing), and a Certificate IV in Fine Arts.


Jackie Graetz 
Program and Projects Manager

Jackie is an experienced and highly capable professional. Having worked in Fortune 500 companies on large change and implementation projects, Jackie is the backbone of the Unitive program office. Jackie has excellent organisational and communication skills, coupled with fine attention to detail and a passion for success stories that engage and inspire.

Mitchelle Edosma
Administrative assistant  

As Unitive’s administrative assistant, Mitchelle is a true all-rounder. Since graduating from college, Mitchelle has thrived in the BPO market working in a range of administrative contexts across the world including customer service, virtual assistance, product sourcing and listing, as well as running social media and advertising campaigns.

Unitive Partners

Unitive partners with a range of service providers to give you access to the very best expertise and experience needed to grow your team, business or organisation. Whether you are looking for high quality education, business analysis, team development, coaching, cultural and organisational change, improved sales, technological innovation, copywriting or design – and more – Unitive has handpicked its partners to support your growth and innovation.