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Our leaders

Gen-i is led by a highly qualified management team with a deep understanding of the ICT industry and the need to stay ahead of business and technology trends.

Our leadership team is focused on building an organisation with clients at the core and a team committed to doing the best for clients every day. We want to ensure our business is closely aligned to our client’s values and culture so we can best serve their needs.

Tim Miles

Chief Executive Officer

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Jo Allison

Chief Marketing Officer

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Greg Mikkelsen

General Manager Enterprise, Commercial & Trans Tasman

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Tim Miles

As CEO of Gen-i, Telecom New Zealand’s ICT services division, Tim Miles leads a team of passionate people delivering converged technology and telecommunications solutions to New Zealand corporate and government clients.

Tim is a highly experienced New Zealand business leader with an outstanding track record across the ICT and telecommunications industries both in New Zealand and internationally.

He started his ICT career in New Zealand with IBM, where he was responsible for public sector customers, and later joined Data General Corporation, rising to Director of Marketing – Asia Pacific. From 1994 until 2001 he was with Unisys Corporation in various senior executive roles, before joining the Vodafone group.

Tim was CEO of Vodafone New Zealand for almost four years, then moved to the UK for assignments as CEO of Vodafone UK and Group Chief Technology Officer, Vodafone plc. He returned to New Zealand in late 2006 and was managing director of listed agricultural services group PGG Wrightson until October 2010.

Tim has since been involved in a number of industry and not-for-profit organisations, and joined the Telecom executive team in February 2013.

Tim firmly believes that Gen-i is well placed to assist more and more New Zealand businesses into an exciting ICT future – and make an important contribution to the overall economic success of New Zealand.

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Jo Allison

As CMO, Jo Allison is responsible for delivering a differentiated experience for Gen-i’s clients through leadership of our services and solutions teams. Jo responsibility for developing ICT services, solutions and products, marketing and brand strategies, channel and partner management. Jo is also accountable for the development of the digital enablement strategy, including online channels.

Jo's career in Telecom started as a graduate 22 years ago and she has been a member of the Gen-i leadership team since May 2008. Prior to joining Gen-i in 2003, Jo was responsible for Business Customer Services at Telewest PLC in London for six years.

Jo has a Bachelor of Arts Degree (Economics) and a Diploma in Business from Auckland University.

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Greg Mikkelsen

As General Manager for the Enterprise, Commercial & Trans Tasman business, Greg Mikkelsen is responsible for the delivery of integrated, end-to-end services for our largest Australasian clients with complex ICT needs.

My goal is to help Gen-i fully exploit its potential as an ICT company, leveraging our converged IT and telecommunications expertise to provide a significant competitive edge for us and our clients.

Greg Mikkelsen, General Manager Enterprise, Commercial & Trans Tasman

Greg's responsibilities include sales, service, solutions and operations management. He ensures Gen-i delivers outcome-based, integrated solutions for clients using a combination of Gen-i and partner-provided services.

Greg joined Telecom in 2002 after senior roles in the IT industry. He was instrumental in setting up New Zealand’s first ASP (a forerunner of what we know as “the cloud” today), and was involved in the development of many of New Zealand’s early thin client business applications.

Greg moved across to Gen-i and the Gen-i Leadership Team in 2008 to take responsibility for sales across Gen-i and Telecom in Auckland before moving into his present role in 2010.

Greg has a Diploma in Business, majoring in Marketing from the University of Auckland.

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Steve Mills

General Manager Client Delivery and Operations

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Robin Hartendorp

General Manager, Central Government

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Simon Gillespie

General Manager Corporate Clients

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Steve Mills

As General Manager for Client Delivery and Operations, Steve Mills is accountable for all delivery and operational aspects of Gen-i’s Enterprise and Government business.

Steve's experience spans general business operations management, including service and product management, human resources and customer services. Previously General Manager for Corporate Clients, Steve has held other key roles within Telecom including Head of North Island Sales for Gen-i and Sales Manager Bay of Plenty area for Telecom. Prior to joining Telecom Steve worked in general management in the telecommunications and IT market in Auckland, at companies that included Callplus Group and Cogent Communications.

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Robin Hartendorp

Robin Hartendorp is our General Manager for Central Government, responsible for delivering a high level of service and value to Gen-i's government clients.

“My goal is to support the increased pace of transformation across Central Government through our delivery of outsourced, business enabling services and mastery of the art of productising, provisioning, pricing and positioning our simplified telecommunications offering.”

Robin Hartendorp, General Manager, Central Government

Delivering integrated solutions to government

Robin’s responsibilities include sales, service, solutions and operations management. He ensures Gen-i delivers outcome-based, integrated solutions for clients using a combination of Gen-i and partner-provided services.

Robin is a highly respected and experienced business leader with an outstanding track record throughout his 30-plus years in the ICT industry.

He joined the Gen-i Leadership Team in April 2013 following his thirteen-year tenure as CEO at Dimension Data. Prior to taking up his role at Dimension Data, Robin spent twenty years working for EDS, where he held a number of senior leadership positions including GM Customer Services, GM Government and Health Operations, and nine years as Director of Service Delivery.

Robin attended the University of Michigan Business School Executive program in 1999.

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Simon Gillespie

Simon Gillespie is responsible for the delivery of services to Gen-i's corporate customers throughout New Zealand, as well as the management of our franchise and regional business offices.

““Gen-i’s people, assets, leadership and customer focus are outstanding, and I am focussed on using this to drive superior customer experience and growth in the corporate market.”

Simon Gillespie, General Manager Corporate Clients

As General Manager for Corporate Clients, Simon is accountable for helping New Zealand businesses gain the competitive advantage that technology and expertise in its application delivers in today’s digital world.

Simon is a highly respected and experienced leader, with an outstanding track record across technical, sales and customer services roles in his 30 year career in the ICT industry. He joined Gen-i in July 2014 from his position as Dimension Data CEO.

Simon spent 20 years at Dimension Data, including three years as Northern Regional Manager, and 10 years as National Sales Director.

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Michelle James

Director of Transformation

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Michelle James

As our Director of Transformation, Michelle James is responsible for the improvement of Gen-i’s business.  She leads our business transformation portfolio and oversees the implementation of Gen-i’s new operating model.

“My goal is to transform the performance of Gen-i, creating a sustainable and valuable future for our customers and our people.”

Michelle James, Director of Transformation

After starting her career as a graduate with Telecom nearly 20 years ago, Michelle relocated to Australia for 13 years to lead extensive customer service and product portfolios, as well as big scale complex change initiatives for Telstra and its subsidiaries.

Prior to re-joining Telecom Group as part of the Gen-i Leadership Team in 2013, she spent 18 months with Auckland Council leading the development of their transformation strategy.

Michelle has a Bachelor of Management Studies (Economics) from the University of Waikato.

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