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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 Melbourne, Auckland, 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 CEO, Simble

Meet our management team:

Fadi Geha

Fadi Geha

CEO and Executive Director

Fadi is an engineer with over 25 years experience in enterprise software sales, consulting, and IT M&A. He is the founder of Acresta (now part of Simble) and has served as its CEO for the past seven years. 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.

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 and oversees the financial and operational functions of the group.

Most recently, he served as 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.

Kalana Navaratne

Kalana Navaratne

Chief Product & Strategy Officer

Kalana Navaratne is a transformation and technology professional in the utilities and smart home industries. Over the last fifteen years he has worked for three of the UK’s big six utilities, including EON, RWE Npower, and British Gas in multiple capacities covering big data analytics, non commodity (Smart Home) services, and corporate strategy.

He has an intimate knowledge of the structural and legislative changes impacting the UK utilities landscape as well as new technological opportunities facing the sector. Kalana brings a track record of delivering and implementing transformation strategies designed to enhance conversion rates, customer experience and long term stakeholder value.