Qualifications: RFS Cert Arb, Tree Inspection, Chainsaw, IPAF, CSCS, IRATA, Confined Space, Inland Boat handling
Specialisms: Trees, Bats, Woodland, Fencing, Barn owl
Licences: CL15 & CL18 Bat, Tree Climbing & Rescue, Rope Access, Pesticides, Maritime Boat Masters

Steve is a respected arboriculturist with many years' experience in the industry, specialising in waterside and difficult-access locations. He is a tree-climbing bat roost specialist, with a passion for preserving and creating tree and ground habitat where safety allows. Skills include tree safety inspections, water vole surveys, badger fencing, Phase 1 habitat surveys. He is a volunteer bat roost visitor for the Bat Conservation Trust/Natural England, Canal River Trust Environment team, and local Bat Groups.

Dr Chris Gleed-Owen

Director & Principal Ecologist

Specialisms: Sand lizard, smooth snake, reptiles, GCN, natterjack toad, amphibians, non-marine molluscs, heathland, coastal dunes, biogeography, palaeoecology, palaeontology, geomorphology

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James Mansfield

Ecologist (Southeast)

Specialisms: Bats

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Sandi Leiber

Finance & Administration Manager

Specialisms: Business administration and finance

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Jess Smith

Associate Ecologist (Southeast)

Specialisms: Reptiles, amphibians, dormice, mammals

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Steve Allen

Associate Ecologist & Arborist (Southeast/East Anglia)

Specialisms: Trees, Bats, Woodland, Fencing, Barn owl

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Paul Callister

Associate Ecologist (Northeast)

Specialisms: Climbing, ropework

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Habitat Management Team

Habitat Management Team

Specialisms: Heathland, woodland, forestry, habitat management, protected species, invasive species

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Richard Moulds

Associate Ecologist & Arborist (East Midlands)

Specialisms: Trees, Bats

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Rebecca Perl


Specialisms: Communications, copywriting, editing, marketing

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Jonathan Crewe

Associate Ecologist (Southwest)

Specialisms: Bats, badgers, reptiles, amphibians

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Chris Cathrine

Associate Ecologist (Scotland)

Specialisms: Birds, invertebrates, reptiles, amphibians, collision risk modelling

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Noel Bergin

Associate Ecologist & Arborist (Southwest)

Specialisms: Bats, hazel dormouse, reptiles, heathland, woodland, trees, health & safety

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Mike Phillips

Associate Ecologist (Southeast)

Specialisms: GCN, reptiles, GIS/remote sensing, tree/habitat management.

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Dr Todd Lewis

Associate Ecologist (Southwest)

Specialisms: Reptiles, amphibians, tropical ecology

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Ian Bradley

Associate Ecologist (Northeast)

Specialisms: Great crested newt, amphibians, reptiles, badgers

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