Jon Sheaff

Director. BA (Cantab) PG Dip LA CMLI

Jon Sheaff is a Chartered Landscape Architect and landscape manager with over 25 years’ experience of developing and delivering complex projects for public, private and third sector clients. Jon brings considerable experience of designing and managing significant public-sector assets, of developing strategy for the delivery of public open space services and of adapting service delivery to new approaches to funding and governance.

Jon has a broader commitment to conserving the heritage value of public open space and to sustaining the importance of good quality public realm for cities and for communities. Jon has expressed this commitment through his memberships of the Heritage Lottery Fund Committee for London and of the Design Council CABE Built Environment Panel.

Prior to establishing his own practice, Jon ran Southwark Council’s Parks and Open Spaces service from 2001 to 2009, implementing a £25 million investment programme for parks that delivered the restoration of Dulwich, Peckham Rye and Southwark parks and led to the creation of new parks at Burgess Park and Potters Field Park. Jon also worked with the Football Foundation, the LTA and Sport England to develop significant new sports facilities at Burgess Park and Southwark Park. Under Jon’s leadership, the authority acquired nine Green Flag awards. 

Jon joined Farrer Huxley Associates as a Director in 2009, leading their housing and public realm division delivering housing projects for Peabody, Southern Housing, Poplar Harca and public open space and play projects for the London Boroughs of Westminster, Newham, Tower Hamlets and Southwark.

Jon established his own consultancy in 2011 and has continued to deliver parks strategy and public realm design projects over the past nine years. Jon has established strong working relationships with clients and stakeholders in the course of developing a number of significant projects including Greenwich Park Revealed (for the Royal Parks), the restoration of Hainault Ancient Forest (for Vision Redbridge) and Great Linford Manor Park (for Milton Keynes Parks Trust).  Under Jon’s leadership, Arkwood has explored the value of benefits flowing from green infrastructure assets, expressing this exploratory work in award-winning natural capital accounting projects for the London Boroughs of Barnet and Barking and Dagenham.

Gemma Woodfall

Director, BA (Hons) PG Dip LA CMLI

Gemma is a chartered landscape architect with over 15 years’ experience across landscape planning, design and management, with a passion for creating places for people and nature. 

She has a deep understanding of landscape systems, habitats and working in and conserving historic environments. Project experience ranges from park restoration, transportation, flood defence and recreation infrastructure schemes, through to industrial, energy, commercial and residential developments. 

Experienced at project managing and operating within multidisciplinary environments, Gemma has taken complex projects, built and led teams to deliver from initiation, public consultation to detailing and construction, and maintenance. She has also produced landscape, green infrastructure and open space strategies, as well as landscape and visual impact assessments. She is equally comfortable creating bold strategies, as she is with developing high quality detailing. 

She has delivered award winning evidence bases, including for numerous Neighbourhood Plans for “Good quality research and analysis distilled for an audience who may not be from a technical planning or planning-related backgrounds”.

In her spare time she is a trustee for Crystal Palace Park Trust, a charity acting as custodian for the Grade II* Registered Park and Garden on behalf of diverse communities drawn from the surrounding five boroughs.  She provides vital technical input and leads the environment and heritage working group to save the park for future generations.

Claudia Frost

Associate Landscape Architect, BSc EH, MLA, CMLI

Claudia is a chartered landscape architect with over 13 years’ experience of working in planning, public consultation and design on public realm designs, redesigns and regeneration schemes. Having graduated from Clemson University with a masters in landscape architecture, she then worked in the public sector for seven years and has a broad background in public engagement, landscape architecture and planning. Her most recent work has been in the context of urban design, greenway planning, parks, public squares, residential and mixed use development, among others. She is a Chartered Member of the Landscape Institute.

Claudia received a visual arts diploma before attaining her BSc in Environmental Health, and has a diverse set of career experiences previous to becoming a landscape architect, including being a secondary school biology teacher, environmental health specialist and garden designer. She brings a wealth of life and work experience to every project, including extensive work in public consultation and engagement.

Emma Kirk

Senior Landscape Architect, MA, BMOS

Emma completed her Master’s degree in Landscape Architecture at the University of Guelph in Canada 2021. Throughout her studies she worked as a Design Intern and most recently a Landscape Designer at a residential design-build firm outside of Toronto, Canada. This position allowed her to gain experience in both concept development and construction documentation/supervision. Her professional experience has been rooted in storm water management, garden design, and ecological practices. She will be bringing her passion for sustainable and creative design to Arkwood.

Muge Onal

Project Landscape Architect, BA MA

Muge completed her BA in landscape architecture at Ankara University in Turkey 2013. She started working for a landscape company while she was studying for her last year of university.

Sınce she graduated she worked for different landscape companies which work on vertical gardens, boutique landscape gardens and urban design for 8 years. She experienced working in the office as well as coordinating the construction sites. Working in different companies has enabled her to have experience in many fields.

She left her job in the Municipality of Aydın as a Landscape Architect in Turkey before she started her masters degree in London.

She started her MA Professional Master Degree in 2020 at University of East London and still studying for her Thesis.

Muge has been working for Arkwood since June 2021.

Poppy Main

Graduate Landscape Architect, MA

In 2022, Poppy completed a Scottish MA in Landscape Architecture from Edinburgh College of Art at the University of Edinburgh.  During her studies she spent time in France as part of an Erasmus Exchange at École Nationale Supérieure de Paysage, Versailles, followed by an internship with a landscape architecture practice in Paris.  Before joining Arkwood in September 2023, Poppy worked on a project involving research and assistance for a landscape architect’s book on the biodiversity loss crisis.  Prior to her studies in Landscape Architecture, she attended Leeds College of Art and received a Foundation Diploma in Art and Design.

Frederik Wommelsdorff

Landscape Architect, MSc BSc

Frederik is an Urban Designer and Landscape Architect with experience working on urban and greenspace strategies, concept developments and socio-cultural strategies. In 2022, Frederik earned his Master’s degree in Urban Architecture and Design from the University of Aalborg in Denmark. In addition to this, Frederik also holds a Bachelor’s degree in Technological Anthropology. During studies he worked on several projects such as developing a branding strategy and water management for the city centre of Struer, Denmark, a natural regeneration-vision of the industrial Port of Aalborg, and a well-received Master Thesis project that navigated the complexities of a culturally conflicted site in the South of Copenhagen. Post-graduation, Frederik moved to Bordeaux, France, where he undertook drawing classes at the “Old Art School,” expanding his proficiency in various drawing techniques. 

Prior to joining Arkwood Ltd. Frederik worked at two consultancy and design studios including SWECO Architects. At SWECO, he played a main role in establishing a department and design-intervention strategy focused on urban regeneration in socially challenged residential areas in Denmark. Since joining Arkwood in September 2023 Frederik has carried out and assisted with concept design development, graphical visualisations, design reports etc. for projects spanning Burnt Oak, Lambeth and Heybourne park.

Frederik’s holistic approach to design is carried by his concern for transcending disciplines, and thoroughly working on the details that link environment, culture, and architecture.

Floriza Ibasco

Practice Manager, BSc MBA MAAT

Floriza finished her Bachelor of Science in Accountancy with a Distinction at Southern Luzon Polytechnic University in the Philippines. Working her way up and with the great desire to acquire more knowledge, she studied for a Master of Business Administration at Heriot-Watt University.

Floriza is the practice manager and provides bookkeeping and accounting services for Jon sheaff and Associates.  She has recently become a full member of Association of Accounting Technician and gained designatory letters MAAT.

Sam Wright

Social Media Manager, BA

Sam studied Fine Art Sculpture at the University of Brighton and graduated in 2019. Sam has an interest in the relationship between people, object and space in art. This interest translated well into an appreciation for Landscape Architecture and what goes into designing public space. Sam is also very passionate about the environment and greenspace, with a keen interest in biodiversity and nature.