Aptitude Ltd was formed to deliver independent services and solutions to customers in the oil, gas and chemical industries. Bringing together a combined experience of over 80 years of executing and managing APC projects, we offer new innovative approach to deliver best possible return on investment for our customers.



Meet our Consultants and Directors

Sam Dhaliwal is a chartered chemical engineer who has spent many years working on APC ventures particularly in the Middle East. He has led multimillion dollar projects in both management and technical roles, delivering on time and within budget. Sam is an expert in implementing APC applications for refining applications as well as a strong Project and Program manager.

Patrick Thorpe is a chartered chemical engineer and has worked with various APC applications for leading oil and petrochemical multinationals. He has developed APC models in non-traditional fields such as fibres, paper and pulp, and food processing and specialises in ethylene processes.

Doug Nicholson is an acknowledged world expert on ethylene processes. Over the past 30 years he been at the forefront of chemical APC applications and gained wide experience of ethylene, aromatics and downstream chemical process technologies. He has worked across Europe and also carried out assignments in the Middle East.

Michael Harmse has a Master’s degree in Control Engineering and has extensive experience in the application of MPC technology to a wide range of processes. His career spans more than 20 years, during which he worked for an operating company, a major DCS company implementing APC systems, and most recently he led a large Research and Development organization in the US. He has extensive experience in oil and petrochemical process control and has a reputation for technical innovation. He has led diverse projects in Europe, the Middle East, Africa and Asia.