Our staff

A background in geology, water engineering and environmental management has let William in some interesting directions from hand digging water wells in Africa to mine stabilisation in Glasgow and from soil investigations in the Caucasus Mountains of Georgia to hydraulic modelling in Castle Douglas in Scotland.

In 2000 William set up Terrenus with his friend and colleague Fraser Duff and has seen the company through growth and turmoil.

Outside work, William’s family introduced him to equestrian sports where he ended up as a coach and Chair of the British Equestrian Vaulting. 

Douglas has always been a bit of an adventurer with a Scouting background and a countryside upbringing.

Joining Terrenus in its very early stages, Douglas loves to problem solve and relishes a challenge. Transferring to specialise in flood risk he has expanded this part of the company and was a driver in establishing 2D hydraulic modelling and the application of large datasets.

When not at work Douglas can be found immersed in the Star Wars Universe or sharing learning experiences a a father of two.

Jennifer has been in administrative roles with Terrenus since its inception in 2000 and is Office Manager as part of the senior management team. Jennifer has a background in Psychology and Genetics as well as experience in nursing, midwifery and overseas development. 

Jennifer has a keen interest in Applied Animal Behavioural Science especially with respect to horses. Jennifer keenly supports her daughters’ equestrian interests in addition to her own.

Despite living in Scotland longer than England, Rachel still hasn’t lost her Yorkshire accent.

Rachel moved to Scotland to begin her working career in Geology and during the past 30 years she has worked with William on three different occasions whilst also taking time out to raise a family. Rachel’s specialism is in project management but she continues to have a strong background in all parts of the company’s capabilities including site investigation, contamination and flood risk. 

Through the family Rachel has developed an interest in fast action sports such as Mountain Biking and Ice Hockey, but she stresses this is as a spectator and not a competitor.

Alex is a geologist with a specialism in mining from Edinburgh University. Following a period working and travelling in Australia Alex joined Terrenus where he has continued to excel in mine shaft location and geo-technical works. Chiefly however, Alex has become an expert in contaminated land risk assessment, advancing the companies capabilities in this field. 

In his spare time Alex enjoys hillwalking and the occasional woodwork project.

Jonny joined the company as a civil engineer and from this base he has specialised in hydraulic modelling and flood risk assessment. He is a key past of the company’s expertise in detailed 2D hydraulic assessments, rising to the post of specialist in 2024. 

In order to carry out his work, Jonny has surrounded himself with powerful computers in order to run several hydraulic models at the same time with the goal to provide the correct answer on time and on budget.

Jonny is always looking for a new way to do things; to the extent that he once won a series of friendly matches of Chess while in the middle of the Gobi Desert.

With a background in civil engineering, soil mechanics and foundation engineering George has in excess of forty years experience in the construction industry, the bulk of which has been in ground engineering. George has worked for an array of companies as well as running his own company in the late 1980s and the 1990s.

George and William met in the 1980s whilst working on the Sanquhar / Kirkconnel bypass and their paths have frequently over the years. In more recent times George has provided expert input to the company specialising in settlement analysis and slope stability. 

George frequently undertakes the training of Terrenus staff in the complexities of geo-technical engineering.

Andrew is an environmental scientist with a specialism in the water environment. Andrew covers a wide range of work focusing on Contaminated Land, Site Investigation and Remediation Work, Flood Risk Assessments, SuDS and Engineering Geology. In particular Andrew is our specialist in catchment analysis for peak flow estimation - a key element in our hydraulic modelling expertise.

Coming to us from Malaysia, Edwina is an environmental scientist with a specialism in sustainability. As with all our technical staff, Edwina has capabilities across a wide range of development areas including Stage 1 and 2 site investigations, flood risk assessments and SuDS design. In particular Edwina has been working on settlement remediation for ongoing work in Bishopton. 

Linda has joined the company via an interesting route entailing languages, teaching both in England and Canada and then training to be a book-keeper. Linda ably assists Jennifer in the financial control of the company.