Meet the Senior Leadership Team

Denis Collins | Chief Executive Officer

Denis is an award-winning global leader widely credited with the ability to make markets, lead change, scale, and simplify complexity through many roles, including CEO, MD, VP, GM, Chair, Board Director and Advisory. 

His varied career has taken him around the world, having been a  former global executive with IBM and IBM Global Financing. Closer to home, Denis was a previous Chairman of IDA Ireland Regional Development and Board Director.  His executive and global experience spans decades and his vision is clear – to create and deliver solutions for a zero emissions world. Combining social good and commercial opportunity is his passion.

Denis enjoys hill walking in his spare time in his local area of Killavullen Co Cork. He is also a seasoned traveler and looks forward to planning more trips abroad now travel has resumed.

 

 

John O’Leary | Chief Technology Officer

John is an honours graduate and past part-time lecturer of the Food Engineering Dept., UCC.

With over 30 years of experience in the design of large ammonia refrigeration systems operating to below -50°C, John has pioneered the design and use of highly efficient, high temperature heat pumps in Irish food and pharma operations.

He has implemented many of his inventive designs in these sectors using his philosophy to drive sustainability by making it financially irresistible to large energy users – a philosophy that has led to the development of the  EscoPod, a system that is a key weapon in the decarbonisation of heat.

When he’s not inventing breakthrough technologies to help the planet, you can catch John rowing through the picturesque lakes of Killarney.

Cormac Murphy |Chief Operations Officer

Prior to ActionZero, Cormac was Managing Director at Energy Services Ltd. for six years, providing deep advisory and consulting support to many leading organisations in carbon and energy management.

A process engineer with a strong technical background across a range of industries, he has extensive experience in decarbonisation, energy management and strategic sustainable development, renewable energy, energy procurement and risk management.

Cormac has significant sectoral and engineering experience having worked across many industries from food and pharma to medical devices and electronics.

Cormac has over 14 years’ experience in energy and carbon consultancy and has worked with many of the largest energy users, public and private bodies, and utilities in Ireland, delivering highly regarded and respected professional advisory services.

Cormac is a big music enthusiast; regularly attending music events and festivals. He’s even been known to pick up a guitar on occasion!  He enjoys sports and fitness and is very passionate about environmental and climate issues.

Harry O’Farrell | Chief Commercial Officer

Harry has over 20 years’ experience in the energy field, with a strong track record in technical engineering and project management, technical sales, Commercial Director, and currently Chief Commercial Officer at ActionZero.

Harry leads commercial, sales and marketing strategy as well as internationalisation for new market geographies. He is the current Chair at Energy Cork and is engaged in developing and executing strategy to deliver Cork’s Energy Master Plan.

Harry is passionate about all issues energy & sustainability, and in particular helping organisations develop and implement strategies to deliver net-zero operations and align with circular economy principles.

An endurance sports enthusiast, You’ll regularly find Harry participating in adventure races or climbing his local Ballyhoura mountain in Co Cork.

Louise Patrick | Chief Financial Officer

Louise is ActionZero’s Chief Financial Officer and is responsible for leading the company’s financial function.

Her role is hugely varied and encompasses everything from commercial finance to technical accounting, stakeholder management and tax planning.

Prior to ActionZero, Louise held a senior role at McKesson, a Fortune 500 healthcare company, where she managed the international accounting group, had responsibility for the accounting of the international hedging strategy, lead discussions around intercompany debt management, financing plans, restructuring activity, and other corporate driven initiatives. She is ‘Big 4’ trained and previously held a management role in the audit and assurance business in Ernst & Young.

Louise is a Chartered Accountant, holds a 1st Class Honours BBS degree in accounting and is US GAAP Certified.

In her spare time, Louise loves to travel, read a good novel, or spend time with her family.

Liam Flynn | Chief Product Officer

A Marine Engineer by training, Liam has worked in the energy efficiency and renewable sector, on such projects as Electrical Generation from Waste, Solar Parks, Wind Parks, Steam Projects, Gasification and some of the biggest Geothermal projects in Europe.

A serial inventor, with many patents to his name, he has brought all that experience and inventiveness to bear in the development of the EscoPod concept.

Liam is an avid sailor.  In his free time, you’ll find him exploring the seas of Ballycotton Co Cork with his beloved pooch Darcy or relaxing with a beverage at his local ‘Cush’.

Caroline Horgan | Operations Manager

Caroline is our senior operations manager at ActionZero. She oversees high-level HR duties, such as attracting talent and setting training standards and hiring procedures. She also ensures all company operations are carried out in an appropriate, cost-effective way.

Prior to ActionZero, Caroline worked in a high-volume tech business where she developed and implemented in-house HR and admin systems, Increased employee performance and training participation. She graduated from University College Cork with a first-class Honours Commerce Degree and is currently undertaking an Associate Diploma in People Management.

Caroline enjoys spending time with her family, strolling along the scenic beaches of Cromane Co Kerry, getting her coffee fix at Patchino’s and relaxing at the local Boathouse Cafe.

Patsy Teahan| Executive Assistant

Patsy is Executive Assistant to ActionZero’s CEO Denis Collins. Patsy is Denis’ right-hand woman, providing support and managing various administrative tasks as and when required.

Prior to ActionZero, Patsy gained 18 years of experience working within the financial service industry, most notably at Fexco. She holds a bachelor’s degree in accounting and Business from Munster Technological University and is also PMP certified.

When she’s not working, you’ll find Patsy relaxing at home in Castlemaine Co, Kerry, with a good novel or swimming at the local beach with her two daughters.

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