David Head

David Head

Managing Director and CEO

David has over 30 years’ experience leading ASX listed and privately owned organisations in a wide range of Industry sectors in Australia, New Zealand, Asia and Europe, including CEO roles with Pepsi Cola, Lion Nathan Ltd, Callum Group, Leigh Mardon Group and Clean Seas Seafood Ltd.

Over 20 years he has gained extensive Non-Executive board experience with Publicly Listed (ASX) and privately owned companies with Non-Executive Chairman roles in Australia, Asia and Europe and as the Independent Director on the Board of ASX listed Snack Foods Limited (SFL). He has worked with Private Equity on a range of deals including acting as Interim CEO of four companies including the Leigh Mardon Group (where he later became Managing Director & CEO and a key shareholder).

David has a strong sense of social responsibility and Community service serving on the boards of a number of Not for Profit Organisations including Fair Trade Australia & NZ Limited, the VCFA Football Association (Soccer) where he was President & Chairman of the Board, and the Dalit Freedom Network.

Bryce Wolfe

Bryce Wolfe

Finance Director and Chief Financial Officer

Bryce is the Finance Director & Chief Financial Officer at Ixom, a role he has held since joining Ixom in 2014, when it was a division of Orica.

He comes to Ixom having delivered successful financial outcomes in complex commercial environments during nine years at Village Roadshow and ten years at Ernst & Young.

Bryce's role as Chief Financial Officer of Village Roadshow Entertainment Group saw him work closely with private equity investors for more than six years in this Los Angeles based global distribution business. Subsequently he spent three years as Deputy-Chief Financial Officer to Village Roadshow Limited in Melbourne, Australia.

Prior to this he was a United Kingdom sector head for Mergers & Acquisitions at Ernst & Young, based in London.

Bryce is a Fellow of the Institute of Chartered Accountants in England & Wales, Fellow of the Chartered Institute of Securities & Investments, Member of the Financial Executives International and was awarded the Australian Young Chief Financial Officer of the Year in 2005.


Penny Griffits

Executive Vice President Chloralkali

Penny has over 20 years’ commercial and technical experience leading innovation and transformation across broad industry sectors including chemicals, energy, oil and gas, mining, electronics and healthcare.

Penny was previously Head of Commercial for Ixom’s Manufactured Chemicals & Water Business, responsible for strategy, sales and marketing, and initiatives such as digital transformation.  

Penny developed a passion for disruptive innovation when she began her career with Memcor (now Evoqua) commercialising membrane water treatment systems for potable water and wastewater in Australia, the US and Asia.  She then spent over 13 years with 3M, a US$33 Billion global innovation company which derives one third of its sales from products invented in the last five years.  Penny held a broad range of roles whilst at 3M, from technology commercialisation and manufacturing/ Lean Six Sigma, through to business development, strategy/M&A and general management.

Penny holds a Masters in Business Administration from the Macquarie Graduate School of Management and first class honours in Chemical Engineering from the University of NSW, where she held an industry Co-op Scholarship.

Penny strives to build a culture of curiosity, problem solving and openness to change to promote innovation at Ixom.  She is also a strong supporter of the impressive technology start-up community in Australia.

Mark Bisset

Mark Bisset

Executive Vice President Life Sciences

Mark is an experienced HealthCare executive with a focus on the pharmaceutical and consumer health markets, and extensive expertise across Asia Pacific. He has a successful history as a leader in both growth and turnaround environments.

He has worked in a range of companies, including global multi-national organisations, ASX-listed established and start-up entities, as well as privately owned enterprises. In these various companies he has had roles with increasing responsibilities for commercial, sales & marketing, business development and manufacturing/ technical operational teams.

Mark is a registered Pharmacist with a Bachelor of Pharmacy from the Victorian College of Pharmacy, has completed post-graduate business management studies at Monash University and is a Graduate of the Australian Institute of Company Directors.

Prior to joining Ixom, Mark was President Asia Pacific, Catalent Pharma Solutions, based in Singapore. In this role he had responsibility for multiple contract pharmaceutical and health care manufacturing, development and clinical trial facilities that operated across China, Japan, various states in Australia and South East Asia.

From 2006 to 2010, Mark worked for Strides Arcolab, an Indian pharmaceutical company. During his time at Strides, he held a variety of roles including General Manager-Europe, based in Warsaw, Poland; and prior to this Chief Executive Officer-Australia/ South East Asia.

Mark is originally from Melbourne, and he and his wife have now relocated back to Melbourne.

Nikki Gerling

Nikki Gerling

Executive Vice President Traded Products

Nikki has 25 years of experience across marketing, sales, strategy and supply chain management in the petroleum and automotive sectors. Her most recent role at Bosch has responsibility for supply, logistics, sales and marketing of automotive spare parts, diagnostic equipment and technical services across Australia and New Zealand.

Nikki joined Bosch in 2016 after 21 years with The Shell Company (which later became Viva Energy following the sale of the Shell downstream business in Australia to private equity owners), where she worked across all aspects of the petroleum industry including marketing, sales, strategy, operations and supply chain management.

Over her 21 years at Shell / Viva Energy Nikki’s roles included managing petrol stations across six countries, running the LPG business, supply chain strategic planning, senior commercial and general management roles. Over her last 4 years at Shell / Viva Energy she utilised experience gained in the prior years, managing the planning and economic optimisation of Australian fuels supply chain, to oversee a broad portfolio of strategic customers. The General Manager Commercial role provided leadership to teams responsible for the delivery of over 5 billion litres of fuel & lubricants (bulk & packed) annually, servicing a broad range of customers across the mining, shipping, wholesale and retail sectors.

Nikki has a Bachelor of Commerce and a Bachelor of Arts from Monash University, is a graduate of the Australian Institute of Company Directors and is a previous Board member of the Australian LPG Association (2008-2010) and Australian Automotive Aftermarket Association (2018-2020) and is a current Board member of the Waverley Hockey Club (2015-current).


Sean Eccles

Executive Vice President New Zealand

Sean is the Country Manager New Zealand, responsible for leading the New Zealand and Fiji businesses across a vast range of chemical and product sourcing and distribution. He brings over 35 years of chemical industry experience to the role, with 25 years in Leadership roles in manufacturing and sales organisations.  Prior to this role Sean held General and Business Management roles across pulp, paper, Water, Fiji and Farmguard, based in New Zealand.

He holds various qualifications in Management, Chemistry and Governance.

 Greg Holmes 2

Greg Holmes

Executive Vice President Group Operations

Greg’s experience covers diverse areas including Manufacturing, Business Management, Sales, and Technical in the Industrial Chemical, Food Chemical, Fertiliser, and Commercial Explosives industries in multiple geographies globally. Additionally, he has served on various company subsidiary and joint venture Boards over the past 15 years.

Prior to joining IXOM in April from Orica, Greg has led a major business unit and teams across all of Orica’s global manufacturing assets. Additionally, Greg led complex transformation initiatives driving continuous improvement to achieve excellence in safety, environmental excellence and business performance. Having started his career with AECI in South Africa, Greg later joined the Omnia Group where he was the Managing Director of Mining Services Division.

Greg has a Bachelors Degree in Chemical Engineering and has attended programs at international business schools including London Business School, Melbourne Business School, Chicago Booth University and is a Graduate of the Australian Institute of Company Directors and has served as a Director on numerous company subsidiary Boards including at Omnia, Orica, and currently, IXOM.

Marc Roehl

Marc Roehl

Executive Vice President Watercare

Marc has over 25 years of experience in the water industry in a variety of leadership roles in NYSE listed and privately owned organisations within North America, including Vice President and Director roles within Evoqua, Siemens, and USFilter.

Marc most recently comes from Evoqua Water Technologies where he led a large business unit with general management and full P&L responsibility.   His experience includes working with private equity on standing up a carved out business from a large multinational, preparing for and successfully transitioning through IPO, business turnaround, and portfolio development through M&A, licensing, and business integration.   He has a passion for customer care and talent/team development to improve outcomes and experiences for all stakeholders.

Marc has a deep background in the water treatment industry with a background in civil & environmental engineering. He currently serves on the board of The Water Council.

David Schelbach

David Schelbach

Chief Officer, Safety Health and Environment

David Schelbach is the Chief Officer,  Safety, Health and Environment (SH&E) at Ixom, a role he has held since joining the then Orica Chemicals Division in 2014.

David’s remit spans corporate SH&E strategy, policy and governance through to operational risk management and front-line worker engagement. He began his career in operations in 2001 with Incitec and subsequently Orica Mining Services with the first seven years spent in large scale petrochemical manufacturing, technology management and process safety.

David has nine years’ experience living abroad in Canada and the USA. David was appointed Vice President Sustainability for Orica Mining Services North America in 2008. In 2011 David returned to Australia as the Global General Manager for SH&E for Orica’s Ground support business, Minova, and then became the General Manager of Safety and Health for the Orica Group until 2014.

David holds a Bachelor of Chemical Engineering from the University of University, a Diploma in Work Health and Safety from Melbourne Polytechnic and is a member of the Australian Institute of Health and Safety.

Matt Finklestein

Matt Finklestein

Chief Strategy Officer

Matt Finkelstein joined Ixom in 2017 as the Head of Strategy.

Matt has over 15 years of experience in consulting, private equity and corporate advisory, most recently leading Iluka Resources Corporate Development team. Prior to this Matt spent 5 years working in London, Hong Kong and New York in various roles across M&A and private equity focused on the resources and industrial sectors.

Matt holds a Bachelor of Commerce and is a Chartered Accountant.

Alys Easton

Alys Easton

Chief People & Culture Officer

Alys leads the People & Culture function at Ixom and has over 20 years’ Human Resources experience across a range of disciplines including reward, transformation, HR information services, benefits, business partnering and recruitment.

She has held HR leadership roles in several global organisations, including FTSE & NYSE listed companies, and has worked across a wide range of industries including Financial Services, IT, Healthcare, Energy and Chemicals.

Prior to joining Ixom as the Head of Reward, HRIS & Payroll in 2015, Alys held the role of Head of Compensation, Europe for Centrica which is a GBP20bn+ multinational energy and services company.

Alys holds a Bachelor’s degree in Economics and Sociology from Royal Holloway, University of London. Originally from Wales, Alys has called Melbourne home since 2015.

Nik Anderson

Nik Andersen

General Counsel and Company Secretary

Nik leads Ixom’s Legal and Compliance Group including responsibility for Insurance and Enterprise Risk Management having joined the organisation as Legal Counsel initially with Orica in 2007. Prior to joining Orica, Nik spent 7 years working in private practice, as a Senior Associate with Corrs Chambers Westgarth, specialising in competition law (including merger clearance), intellectual property, franchising and commercial law. Nik also has experience in litigation / court based work defending clients who were being investigated by competition or fair trading regulators.

Moving in house has expanded Nik’s remit to include the commercial and management drivers of business decisions and expand his legal practice into other areas including mergers and acquisitions, construction, insurance, employment, shipping and environmental law and also to have an influence on business strategy.

Nik holds a Bachelor of Commerce, Bachelor of Laws with Honours and Master of Laws.