Managing Director and CEO, Executive Director
Mr Stevens was appointed as Managing Director and CEO of ASX Limited on 1 August 2016. He was an independent non-executive director of ASX from December 2013 until his appointment as CEO.
Mr Stevens is also a director of ASX’s clearing and settlement licensees and their intermediate holding companies.
Mr Stevens has broad experience working in capital and derivatives markets. He is familiar with the challenges and opportunities presented by Australia’s growing pool of funds under management, and the increasing reach of global regulation.
Mr Stevens was the Chief Executive Officer and Managing Director of Challenger Limited until February 2012, having previously held senior roles overseeing Challenger’s capital, risk management and strategy.
Prior to Challenger, Mr Stevens served as a Senior Managing Director at Zurich Capital Markets Asia and was a Partner at Bankers Trust, where he had responsibility for the Australian derivatives and global metals and agricultural commodity derivatives businesses. He was a director of SocietyOne Holdings Pty Limited between November 2014 and August 2016.
Chief Financial Officer
BBus, CPA, FGIA
Mr Aziz has been Chief Financial Officer of ASX since July 2010. He is responsible for ASX’s Finance, Corporate Strategy, Investor Relations and Facilities functions.
Mr Aziz was previously Group Financial Controller at ASX, and, prior to the ASX/SFE merger, held the same role at SFE Corporation Limited since April 2000.
Mr Aziz has held various senior finance positions within the finance industry. He was Chief Financial Officer and Company Secretary of Austrapay Limited, a company providing electronic and paper based payment services within financial services.
Prior to that he held a number of positions within The Chase Manhattan Bank (now known as JP Morgan) covering financial control, financial accounting and management reporting within the wholesale banking division and the central finance department. He is a non-executive Director of UWS College Pty Limited and Chair of its Audit Committee.
Group Executive Human Resources
Lisa Green is Group Executive, Human Resources at ASX. She joined in August 2015 with primary responsibility for aligning employee and culture programs to meet ASX’s strategic objectives. She also has charge of diversity, learning and development, recruitment, performance management activities, compensation and benefit structures, HR policies and systems, and ongoing employee alignment and engagement initiatives.
Prior to joining ASX, Ms Green was Head of Global Vendor Management for JP Morgan’s Real Estate division, with responsibility for overseeing the simplification and outsourcing of various real estate functions globally.
Ms Green has extensive Human Resource experience within the financial services industry, and has held senior HR positions with Citigroup, Morgan Stanley, and JP Morgan, in Sydney and New York.
Group General Counsel & Company Secretary and Group Executive Corporate Affairs
BEc LLB (Hons), MA, FGIA, FAIM, FAICD
Ms Harkness is an ASX C-suite executive. She has a broad role across ASX’s integrated exchange group businesses. Creating collaboration between business, technology and regulators to deliver value and reduce costs for those seeking capital, intermediaries, traders and investors in ASX’s financial markets and those who rely on ASX’s risk management systems. She leads ASX’s global regulatory, legal, company secretarial and governance, policy and compliance, corporate affairs and government relations functions.
Ms Harkness chairs ASX’s Policy and Listing Standards Committee. In 2016 Ms Harkness was named by the UK Financial Times as a FT Top 30 Worldwide General Counsel.
Amanda was a partner in of one of Australia’s most respected law firms, Freehills in the 1980’s where she established a technology, corporate and commercial law practice. During the 1990’s Ms Harkness extended her business experience as a consultant at McKinsey & Co and in executive management roles at Australia’s largest telecommunications company Telstra. She led the Asian business for the internet joint venture between British Telecom and the then NASDAQ listed Looksmart in the early 2000s dot com period. She has worked in businesses in Australia, New Zealand, Malaysia, Korea, Hong Kong and Japan across a number of business sectors including financial services, communications, energy and resources.
Amanda is a Fellow of the Governance Institute of Australia, the Australian Institute of Company Directors, the Australian Institute of Management and is a member of Chief Executive Women. Since 2009 Ms Harkness has been a non-executive director, appointed by Vodafone International Holdings, of Vodafone Hutchison Australia Pty Limited.
In the philanthropic sector Ms Harkness is a director of the WeirAnderson Foundation, a Private Ancillary Fund which has a particular emphasis on projects that improve the lives of women and girls. Amanda is a benefactor of the Biennale of Sydney, the Museum of Contemporary Art, the Art Gallery of NSW, the Sydney Theatre Company, Sydney University and the Australian National University.
Ms Harkness graduated from Australia’s National University with a first class honours degree in Law. She has also graduated in Economics from the same university and has been awarded a Master of Arts from Macquarie University. Ms Harkness has served on a range of Australian Government advisory boards focused on innovation and technology development.
Deputy Chief Executive Officer
HND (Business and Finance)
Mr Hiom has been Deputy Chief Executive Officer of ASX since July 2006. He is responsible for the development of all ASX businesses, including Listings and Issuer Services, Trade Execution and Technical Services, Market Information Services, Derivatives and OTC Markets and Clearing and Settlement Services.
Prior to joining ASX as part of the ASX/SFE merger, Mr Hiom was Executive General Manager - Business Development for SFE, with responsibility for developing the Sydney Futures Exchange and Austraclear.
Mr Hiom had previously worked for the London International Financial Futures Exchange for nine years, holding a number of management roles within the Business Development and Information Technology divisions.
Group Executive Operations
Grad. Dip in Financial Services, Grad. in Professional Management
Tim Hogben is the Group Executive Operations of the Australian Securities Exchange (ASX). ASX as a company ranks amongst the top 10 exchange groups in the world. Appointed to the role in 2010, Tim has responsibility for the delivery of overall operations for the ASX markets supporting market connectivity, trade execution, clearing and settlement and the provision of market information. In addition to this he has responsibility for providing clearing and settlement services to Chi-X Australia, National Stock Exchange (NSX) and Asia Pacific Exchange (APX).
Mr Hogben has a thorough understanding of the operational, technical and regulatory complexities that drive trading, clearing and settlement from both a stock exchange and market user perspective. This has been formed through considerable experience in service delivery, operational workflows, system development, control environments and managing "1 in 20 year" events, plus roles as an investment accountant, senior analyst and in general management with a number of financial institutions in Australia.
More recently Tim has been exploring next generation technologies such as digital assets, distributed ledgers and block chain for potential use in financial services.
Tim is a graduate of the Harvard Business School (HBS), Australia Institute of Company Directors (AICD), Australian Institute of Management (AIM) and Financial Services Institute of Australia (FINSIA).
Group Executive and Chief Compliance Officer
SJD, MBA, LLB (Hons)/BJuris (Hons)
Mr Lewis has been Chief Compliance Officer of ASX since July 2010. He is responsible for overseeing the compliance and enforcement services to the various ASX Group entities that hold licences under the Corporations Act to operate markets or clearing and settlement facilities.
Mr Lewis is a leading authority in financial services regulation and compliance. He has practised law for over 30 years, specialising in financial services, mergers and acquisitions and corporate matters, and has held a number of senior management positions with law firms and as in-house counsel.
He has been a partner of the law firms Freehills, Atanaskovic Hartnell and Chang, Pistilli & Simmons and the General Counsel of Bankers Trust Australia Limited. He also teaches the course Compliance: Theory and Practice in the Financial Services Industry in the University of Sydney Law School post-graduate program.
Chief Information Officer
Mr Thurman has been Chief Information Officer of ASX since June 2012. He is responsible for providing strategic IT leadership and overseeing the development and delivery of IT services and new technologies.
He is a Senior IT Executive with more than 25 years of technical and project management experience in building, deploying and supporting high availability (HA) low-latency financial applications and infrastructure with Exchanges, Alternative Trading Systems (ATS) and Investment Banks.
Mr Thurman has previously held several senior positions with Credit Suisse Canada, Alpha Trading Systems, TD Securities (Newcrest), TMX Group, and IBM Global Services.
Chief Risk Officer
B.Eng (Hons), GAICD
Mr Treleaven was appointed Chief Risk Officer on the 1st March 2017. Mr Treleaven has extensive experience in financial markets risk management across all asset classes and product types.
Prior to joining the ASX, Mr Treleaven was the Executive General Manager of Portfolio and Market Risk Management at the Commonwealth Bank of Australia. In this role he had responsibility for risk management oversight of the Global Markets and Group Treasury businesses and for group wide risk quantification for both regulatory and economic capital. He has extensive experience in derivative risk quantification and management, along with the related technology requirements. Mr Treleaven worked at the Commonwealth Bank from 2005 to 2017.
Before this, Mr Treleaven was a Managing Director at both Zurich Capital Markets Asia (2000-2003) and Bankers Trust Australia (1987-1999).
Mr Treleaven is a Graduate of the Australian Institute of Company Directors and served on the Board of Colonial Mutual Life Assurance Limited from June 2012 to January 2017.