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At Simble

we enable the agile enterprise with smart and nimble Software as a Service (SaaS) technology solutions.


Our software will give your business an edge by helping you mobilise your workforce and identify energy saving opportunities across your operations.


This will improve productivity, reduce operational costs and enhance engagement with your employees, customers and suppliers.

Simble is a global company with headquarters in Sydney

and offices in Da Nang and London,

that has been providing solutions to businesses since 2009.

The success of Simble is built on four guiding pillars:


Our DNA is technology – we hire the best talent and partner with like-minded innovators to ensure we stay ahead of the game.


Courage to respond to changing market needs, enabling our customers to identify opportunities for improved business outcomes.


We strive to offer the best solutions for our customers with a focus on quality and speed to market in everything we do.


Continuous delivery of sustainable business growth in partnership with our customers and partners.

Why do we exist? We have the courage and unique insight to leverage our smart and nimble software solutions to help you and your teams thrive by building a sustainable business. And at the end of each day, we are proud knowing that everyone benefits, and that in the process, we are contributing in a small way to helping shape a sustainable world

Fadi Geha Founder and Executive Director, Simble

Meet our management team:

Ronen Ghosh

Ronen Ghosh

Chief Financial Officer

Ronen is a finance executive with more than twenty-five years of experience in blue chip organisations operating globally in the fields of intellectual property, entertainment & media rights management, and investment management. Ronen joined Simble in August 2019 as the Chief Financial Officer to oversee the financial and operational functions of the group. In November 2019 he was appointed CEO and served in that role until May 2022.

Prior to joining Simble, Ronen was Finance Director at BMG Australia, a subsidiary of media company Bertelsmann. Prior to that he spent 12 years as Chief Financial Officer and Company Secretary of the Albert Group of Companies. Ronen is a Chartered Accountant and a Member of the Australian Institute of Company Directors.

Fadi Geha

Fadi Geha

Executive Director

Fadi is an engineer with over 25 years experience in enterprise software sales, consulting, and IT M&A. He was the founder of Acresta (now Simble)  and served as CEO from Nov 2009 to Nov 2019 and continues to serve as Executive Director at Simble. Fadi has held senior management positions with SAP Australia and Accenture. From 2003-2006 he served as Vice President Asia Pacific and Director at Viewlocity Technologies and led Viewlocity’s expansion into the Asian region including the acquisition of key clients in Japan, Korea, and South East Asia which resulted in Viewlocity being named top IBM partner in Australia for SaaS offerings in 2005.

In 2006, Fadi facilitated the M&A activity that resulted in the acquisition of Viewlocity Inc by Supply Chain Consulting. Fadi joined the executive team at Supply Chain Consulting and in 2009 Fujitsu Australia acquired Supply Chain Consulting for $48 million. Fadi holds a Bachelor of Civil Engineering from the University of Sydney. He is also a Director of Sustainable Business Australia – Australia’s leading business think tank and advocacy group promoting commercial solutions to environmental challenges.

Bill McGhie

Bill McGhie

Head of Product

Bill has worked with the Simble team as Product Manager responsible for both the CarbonView carbon accounting platform and SimbleSense energy monitoring platform since 2015. Bill also has recent experience in the fields of energy management and energy contract brokering as well as carbon emissions management advice and training. With a Masters Degree in Science and another in OHS & Environmental Management, Bill is passionate about working with technology to help businesses reduce their energy consumption and environmental footprint.