People

Barbara Albert

Barbara is a co-founder and director of 100% Renewables Pty Ltd.  Prior to this role, she was the founder and principal of Sustainable Business Consulting. Barbara is a consultant, educator, speaker, and the author of ‘Energy Unlimited – Four Steps to 100% Renewable Energy‘ and the ‘GreenPower Guide for Businesses‘ as well as numerous booklets, blogs, articles and videos on climate action. She is also a podcaster and host of the Driving Net Profit with Zero Emissions show.

She works with large energy users who want to be leaders in responding to climate change and specialise in helping organisations drive towards net profit with zero emissions. She is a preferred supplier for Governments and sits on the advisory board of “Renewable Cities Australia” and the “Environmental Sustainability Advisory Committee” of Hornsby Shire Council. In 2019, she received the Energy Leaders Inspiration Award, and in 2016, was a finalist in the ‘Sustainability leader of the year’ award. You can also find her in the Clean Energy Council’s ‘Women in Renewables’ Speakers Guide.

Her specialties include:

  • Net-zero strategy
  • Workshop facilitation and public speaking
  • Climate change risk and resilience
  • Building internal capacity in sustainability

Barbara holds a Master’s degree in Commerce from the University for Business Administration and Economics in Vienna, Austria, and also studied at New York University’s Stern School of Business. She is a World Bank Accredited City Climate Planner and certified in GRI sustainability reporting. She is also a Registered Consultant for Climate Active Carbon Neutral Certifications for organisations, products and services, as well as precincts. She holds several Certificate IVs in Carbon Management, TAA, TAE, as well as in Environmental Management and Sustainability.


Patrick Denvir

Patrick has more than 23 years experience in energy efficiency, renewable energy and carbon management consulting, across strategic, policy and technical areas. Patrick co-founded 100% Renewables in 2015 to help leading organisations transition to clean energy. He is a preferred supplier for the NSW, ACT and Federal Government and a trusted advisor to several local Government jurisdictions.

Prior to being a director at 100% Renewables, he ran his own business, Patrick Denvir Consulting. Before that, he held a number of senior technical and management roles at Energetics Pty Ltd over a 15 year period, including General Manager Consulting and Principal Consultant for Energy Efficiency and Government Policy.

His specialties include:

  • Strategy development
  • Energy and renewables expert advisory
  • Policy formulation
  • Implementation
  • Energy and water auditing
  • Energy performance contracting

Patrick holds a Masters’ Degree in Energy Utilisation, which focused primarily on renewable energy technologies, nuclear power and low-emissions thermal energy generation such as cogeneration and combined cycle generation.


Leslie Mathew John

Leslie has joined 100% Renewables as Renewable Energy Engineer. He brings with him a wealth of experience working with large energy users, providing technical and implementation knowledge in designing and constructing renewable energy solutions. He is based in Canberra.

His specialties include:

  • Energy management
  • Energy efficiency strategies
  • Renewable energy technologies
  • Energy and carbon data analysis
  • Data analytics

Leslie holds a Master’s Degree in Engineering – Renewable Energy from Australian National University in Canberra and has completed a Bachelor’s Degree in Engineering – Aerospace Engineering from Jain University in India. He also holds an accreditation from the Clean Energy Council to design grid-connected photovoltaic systems.


Joseph Gregorio

Joseph joined 100% Renewables as Lead Analyst, Energy and Carbon Consultant. He brings with him a wealth of experience working with large business providing advice on their energy usage and savings opportunities. He also has experience managing tenders for renewable energy and energy efficiency projects.

He is also a Registered Consultant for Climate Active Carbon Neutral Certifications for organisations, products and services, as well as precincts.

His specialties include:

  • Energy management
  • Energy and carbon data analysis
  • Renewable energy and energy efficiency strategies
  • Measurement and verification
  • Financial modelling
  • Project management
  • Network tariff assessment
  • Market research

Joseph has completed a Bachelors Degree in Mechanical Engineering from the University of the Philippines Diliman and graduated as Magna Cum Laude.


Estrella (‘Star’) Dorado 

Star has joined 100% Renewables’ as our lead researcher and marketing coordinator. Prior to this role, she was the Sales and Admin Lead for an Australian Custom Wear Company. She also has a considerable marketing experience as Brand Manager handling a portfolio of products including sportswear and personal care brands.

Star has a Bachelor of Science in Clothing Technology at the University of the Philippines -Diliman and graduated as Cum Laude.

Her tasks include:

  • Project-related research
  • Client presentation and workshop design
  • Marketing and collateral
  • Project coordination
  • Executive assistant

David West

David West is the managing director of Sourced Energy, a strategic partner of 100% Renewables. David has over 20 years experience in energy and financial markets. He brings with him a deep understanding of grid-supplied and renewable energy and has strong alliances with key industry players. David has a wealth of experience developing and implementing risk management strategies, strategic sourcing and energy management programs.

David is an ASIC Responsible Manager (RG105), is qualified to advise in energy derivative products and is a leader in corporate and government PPA negotiation. David has worked with many of the largest energy users in Australia and has directly negotiated over $4.5 billion of electricity and renewable energy contracts in the past 5 years.


Panel appointments that our team currently holds include:

  • New South Wales: NSW Government, Office of Environment and Heritage, Sustainability Advantage Program Panel. We are represented on the following SA panels: Resource Tracker; Staff Engagement; Business Planning for Sustainability; Environmental Risk; Carbon Management modules; Climate Change Risk and Adaptation; External Stakeholder Engagement.
  • New South Wales: NSW Government, Office of Environment and Heritage, Energy Saver Program panel member.
  • New South Wales: NSW Government, Department of Industry, Clean Energy Strategies panel member
  • Australian Capital Territory: ACT Government AP2 (Action Plan 2) Consultancy Panel: to provide services in relation to energy efficiency opportunities and distributed generation opportunities.
  • Victoria: VIC Government Department of Jobs, Precincts and Regions – Agriculture Energy Investment Plan’s panel of assessors to conduct on-farm Type 1 and/or Type 2 energy assessments
  • Commonwealth: preferred supplier for the Department of Industry, Innovation and Science to provide business services in the Energy Efficiency Field, relating to Appliances and Equipment.
  • Queensland and Northern Territory Local Buy  – BUS262 Engineering and Environmental Services