The Entego Difference
Entego Advisory has been founded with a single mission:
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"To provide specialised, qualified, independent and impartial advisory services"
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Entego understands your business needs and being specialised allows us to be agile and flexible to meet your requirements. We strive to achieve the best possible outcomes for our clients by leveraging our skills and experience in the energy sector.
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As a family business based in Perth, Western Australia, we provide our clients specialist energy domain knowledge to unlock real value for their energy requirements.​
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​Entego can help make the difference in your energy strategy.
Meet the Team
Expertise | Experience | Passion
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The team at Entego possesses a passion for energy markets and a commitment to providing our clients only our best. We possesses both the practical & technical expertise to deliver on our clients requirements.
Mr. William Street
Director
BCM
MAIE
William Street has extensive experience in the energy sector. He has a deep understanding of commercial strategy, market trading and portfolio management, energy market design, market analytics, energy settlements and trading operations.
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William also possesses broader energy experience in greenfield project development, PPA development, portfolio optimisation and energy market trading. Another key focus of William’s work has been in the development of interactive market analytics and business intelligence platforms for strategic commercial decision making, compliance and settlement.
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William’s energy experience has spanned across government, consulting, energy exchanges and energy retailers. William has also developed and delivered market training programs for industry participants, energy forums and technical specialists. He has also presented at international conferences on market compliance and energy trading.
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William has held senior roles in management, commercial, operational, and analytical positions within both major energy exchanges and independent power producers within Australia and is member of the Australian Institute of Energy.
Mr. Harry Street
Director
BCom
MAIE
Harry Street has over a decade of experience in the energy industry in Australia. Harry’s core strengths are focused on the wholesale and retail operations of independent power producers and energy retailers within electricity and gas markets.
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Harry has extensive experience in energy sales and procurement, greenfield renewable project delivery, portfolio optimisation and market trading, information system implementation, commercial analytics, compliance and business intelligence.
Harry has also led multiple projects to implementation; including energy retail billing systems, energy trading platforms and market settlement systems. Harry has worked in energy market design, market rules and procedure development as a part of both the regulator and as a market participant.
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Harry has held senior roles in management, commercial, operations and analytics at several independent power producers, retailers and energy exchanges within Australia and is a member of the Australian Institute of Energy.
Mr. Adam Stephen
General Manager, Energy Markets
BEng (Mechanical) (Hons)
B Com
Diploma of Financial Markets
MAIE
Adam has over a decade of experience in wholesale energy market operations and compliance as having traded electricity and gas for independent power producers and energy retailers across Australia.
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Adam has been responsible for day-to-day market operations and portfolio optimisation, representing experience with over 3,500 MW of electricity generation capacity across the WEM, NEM and standalone microgrids. Adam’s experience also extends to short term daily gas operations, procurement and transport of energy portfolios in excess of 200TJ/day across different transmission pipelines across Australia.
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With a double degree in engineering and commerce, Adam’s technical experience has allowed him to cover all aspects of the energy supply chain and has led him to being part of a wide range of projects; from business readiness for market reforms, wholesale market entry,
greenfield generator commissioning, ancillary service provision, trading system development, energy portfolio optimisation, deal origination and contract development.
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Adam has held senior positions in trading, commercial, regulatory, and analytical teams at several independent power producers within Australia. Adam has also been selected as a member of market advisory bodies in the electricity industry.
Ms. Sarah Gabriel
Associate
BS Eng (Chemical)
Sarah is a dedicated Chemical Engineer with a strong background in the energy sector, primarily in renewable energy, project development, plant operations, and regulatory compliance. With diverse experience spanning government, consultancy, and power plants, she brings a well-rounded perspective to Entego’s mission of delivering specialised energy market solutions.
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Prior to joining Entego, Sarah played a key role in evaluating, implementing, and monitoring renewable energy projects at the Philippines’ Department of Energy. Her work focused on biomass, biogas, and waste-to-energy technologies, assessing technical feasibility, regulatory compliance, and project execution from licensing to commercial operation. She also contributed to national policy development, supporting initiatives to meet the country’s clean energy transition goals.
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Sarah leverages her expertise in energy systems, process engineering, and stakeholder engagement to drive impactful solutions in WA’s evolving energy landscape. Her adaptability enables a seamless transition into energy market operations and advisory roles.
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Sarah obtained her chemical engineering degree from the University of the Philippines Diliman.
Ms. Angelica Valencia Bravo
Analyst
BEng (Industrial)
Diploma in Information Technology (Advanced Programming), WA
Angelica holds tertiary qualifications as an Industrial Engineer with the focus of her professional experience being in data mining and analysis.
Angelica brings a unique and valuable perspective to the energy sector having began her career in the finance industry, where she worked on developing complex and effective algorithms, laying the groundwork for her transition into programming.
The skills she has acquired enable her to analyse complex datasets, optimise processes, and create algorithms that drive efficiency and innovation in the energy market.
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Angelica has a passion for continuous learning and professional development, and she is currently expanding her skills through ongoing university studies.
Her interests are in applying new trends and technologies in computer science to the energy sector through data analysis and application of artificial intelligence to contribute to strategic decision-making and support the development of cutting-edge solutions that promote the advancement of operations in energy markets.
Ms. Crio Aspan
Operations Lead, Energy Markets
BS (Electrical Engineering)
Crio has extensive experience in energy market operations, analytics, and automation. With expertise in market forecasting, data analysis, and trading tool development, Crio plays a key role in optimising energy market strategies and decision-making.
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Before joining Entego, Crio supervised energy trading teams in the Philippines, overseeing energy traders operating in real-time Energy Trading markets, Bilateral Contract processes, and market reporting. With hands-on experience in diesel, geothermal, coal, and BESS trading, Crio has worked cross-functionally across retail, strategy, and analytics teams with a focus in maximise trading margins through data-driven insights.
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Crio has also led automation teams, developing trading tools with Excel VBA, Tableau, and Snowflake (SQL). Crio also has experience in streamlining data ingestion and validation, ensuring accuracy and completeness in market reporting.
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With a strong focus on market trends, competitor behaviour, and operational efficiency, Crio engages in research and projects to enhance trading strategies.
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Crio holds a Bachelor of Science in Electrical Engineering from De La Salle Lipa and is a licensed Electrical Engineer in the Philippines.
Mr. Alrene "Eydi" Malinao
Senior Analyst, Energy Markets
BS (Electrical Engineering)
Eydi has a strong background expertise in energy trading, portfolio optimization, and market operations. With hands-on experience in both the electricity and reserve markets, Eydi has played a pivotal role in streamlining operational processes through the development of market tools and automating processes through VBA scripting, Snowflake (SQL), and Tableau.
Before joining Entego, Eydi managed day trading activities in the Philippines such as market offer submissions for both energy and reserve markets, ancillary service nominations, data collection, trade reporting, and Bilateral Contract Quantities (BCQ) submissions. Beyond his technical strengths, he has contributed to various strategic projects and reporting enhancements, demonstrating a sharp analytical mind and a commitment to operational excellence.
Eydi holds a Bachelor of Science in Electrical Engineering from Don Mariano Marcos Memorial State University - Mid La Union Campus and is a licensed engineer in the Philippines.
Ms. Eden Catimbang
Corporate Manager
BSA (Accounting)
​Ms. Catimbang is a corporate professional with over 25 years of experience in the pharmaceutical and insurance industries in the Philippines.
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Prior to joining Entego, she worked for both multinational and local companies in the Philippines; specialising in administrative management, corporate events and project coordination. ​
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Ms. Catimbang holds a Bachelors Degree in Commerce from the Polytechnic University of the Philippines, holding a major in Accounting.
Ms. Jamaia Lupangco
Corporate Secretary
BSBA (HRDM)
Jamaia Lupangco joins the Entego team as its Corporate Secretary. She is tasked with managing the day-to-day operations of Entego’s operations, with a focus on business administration and people & culture.
She has had previous experience in Australian retail energy and financial services industries. Her customer support experience was focused on Australian energy companies in relation to energy billing, payments and building customer experience. Jamaia is also involved in managing Entego’s people and culture, fostering a positive work environment and nurturing talent across Entego’s teams.
Jamaia and the administration team are an integral part of Entego’s operations ensuring that the company maintains government and regulatory compliance requirements across its Australian and South-East Asian operations.
Jamaia hols a Bachelor’s Degree in Business Administration (Major in Human Resources Management) from the Polytechnic University of the Philippines.