Our Story / Our People


Raymond Spencer

Raymond founded Kanbay International in 1989. As Chair and CEO, he led the firm to list on the NASDAQ in 2004. The offering was ranked as one of the top five performing IPOs in that year. Under his leadership, the firm grew to more than 7,500 associates in 14 cities across eight nations and ranked number 9 on Business Week’s ‘Hot Growth Companies’ list in 2005. Kanbay was acquired by Capgemini in 2007. Raymond continued on as Chairman of Cap Gemini Financial Services Global Business Uni.

Raymond is currently Chair of the South Australian Health and Medical Research Institute (SAHMRI), the Global Centre for Modern Ageing (GCMA), and the Central Adelaide Local Health Network (CALHN). He is Founding Partner of RSVP Ventures, overseeing an investment portfolio of more than a dozen companies in the United States and Australia.

He has previously been Chair of the South Australian Economic Development Board, a board member of the Information Technology Association of America and was named a Laureate in the Computerworld Honors Program, distinguishing innovators around the world whose visionary use of information technology produces and promotes positive social change.

Proudly South Australian, he attended law school at the University of Adelaide. Raymond was inducted into the Chicago Area Entrepreneur Hall of Fame in 2003 and named Ernst and Young Entrepreneur of the Year 2005 for the Illinois Region. He holds an Honorary Degree of Doctor of Humane Letters by the University of Arizona recognising his work on Ethical Leadership and Organisational Culture.

Ross Garnaut

Professor Garnaut has played a critical role in the transformation of the Australian policy and business landscape over the past 40 years.
He remains a leading voice in the national conversation on the energy transition and economic reform.
Read more about Professor Garnaut here https://www.rossgarnaut.com.au/

Norman Pater

Norman is passionate about acting on climate change. Since meeting Al Gore in 2011, Norman has been searching for ways to reduce his own environmental footprint, as well as that of society as a whole. Therefore Norman’s focus is on these key initiatives:

1. restoring 1-million hectares of Australian farmland within 10 years by means of biodiverse plantings;
2. delivering large-scale renewable energy to the Australian grid by assisting ZEN Energy;
3. converting biomass and municipal waste to biofuel and biochar; and
4. helping build new-age industrial hubs and deliver creative solutions to transition heavy energy users to renewable energy solutions.

Norman draws on his entrepreneurial and academic background in software, marketing and business. He has B.Com and MBA degrees from the University of the Witwatersrand, has previously listed his IT company on the JSE in 1987 and served on numerous private, public, listed and not-for-profit boards over the last 37 years.

Independent Director
Michael Lane

Michael Lane is a Pitcher Partners principal, working in its Private Business and Family Advisory division. He joined the practice in 1983 and was admitted as a principal in 1988 and is a past Managing Principal of the practice.

Michael specialises in providing, strategic management and tax advice to family owned and managed businesses, and their investment activities. Throughout his career Michael has been actively involved in his client’s business affairs holding board positions and attending management and advisory board meetings.


Chief Executive Officer
Anthony Garnaut

Anthony is driving change in the way we think about and consume energy in Australia. His bold vision looks beyond the carbon neutral argument and is focussed on leading the way to restore global energy balance in its entirety, to help ensure sustainable and stable life on earth.   

Known for his acute observations, critical analysis, and bold decisions, he is respected for both his tenacity and ability to question the status quo. His focus in on harnessing new technologies to ensure energy is affordable, reliable, and sustainable.  His motivation is to lead Australia’s dominance in the green energy industry. He is driven by a single belief – that all Australians should have the right to access affordable, green electricity now. 

For every decision he makes, he considers the broader social impact, and it is this ethos that drives his tenure at ZEN, which is now the largest renewable energy retailer in South Australia, and is rapidly expanding into Victoria, New South Wales and beyond. 

Chief Financial Officer
David Stegehuis

David has worked in the infrastructure sector for over twenty years in institutional equity, project finance and corporate finance.  He is a clean energy specialist, having served as Investment Director at IFM Investors, at the CEFC as a foundation employee, and at Infigen.

CEO, ZEN Energy Retail Pty Ltd
Geoff Titus

Geoff has twenty-five years’ management experience in the energy market, where he has been a consistent advocate for customer-focused business practices. Geoff led ZEN through its transformation from a solar hardware sales business to a renewable retailer.

Chief Risk Officer
Glenn Garnaut

Glenn has nearly thirty years multinational financial management experience across a range of market sectors. Prior to joining ZEN, Glenn was based in New York as group CFO of the aerospace and engineered products division of Arconic (previously Alcoa).

General Manager – Future Energy
Mark Sinclair

Mark is an experienced energy asset development manager and executive with expertise in project engineering and project management. His career highlights include serving as GM of asset design and delivery at SIMEC ZEN Energy, founding CEO of WindLab and senior development roles at Vale CleanTech, Stanwell corporation and Shell Australia. Mark now leads ZEN’s future energy strategy and is responsible for developing and executing a pipeline of renewable energy projects to support our retail and wholesale energy needs.

General Manager – Markets
James Mcintosh

James is a seasoned electricity trader with twenty years’ experience in the National Electricity Market. His past roles include senior trader at International Power, head of trading for AGL, head of energy with RWE Supply and Trading (Singapore) and portfolio manager with Attunga Capital. James is responsible for ZEN’s energy trading strategy and has played an integral role in ZEN’s success.

Chief Information Officer
Christopher Smyth

Chris has more than 20 years’ experience in the Australian and New Zealand energy sectors, having previously had operational, analytical and management roles at AGL, International Power and Contact Energy. Since joining ZEN in 2017, Chris has played a key role in enabling our entry to the National Electricity Market, and establishing processes, systems and analytics to support ZEN’s ability to deliver on its promises to customers.

General Manager, Brand & Marketing.
Emily Kucukalic

At ZEN Energy, Emily Kucukalic is responsible for leading the brand and marketing function along with ZEN’s expansion of its small market and residential services.

She is also the owner and MD of the Brand New You Group, Australia’s number one personal branding agency, which she founded in 2009.

Prior to founding Brand New You, Emily was the Group Head of Brand and External Relations at AGL Energy and a member of the Executive Team. Before joining AGL, she was the Director of Marketing and Communications for EDS across Asia Pacific including Japan, China and India.

Emily was a finalist in the Telstra Young Business Women’s Awards, an EY Entrepreneurship prize winner and a recipient of the Australian Marketing Association’s awards for Marketing Excellence in 2017 for work she delivered with her client Westpac.