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We strive to create a studio environment that encourages dialogue and critical input from every team member.

Our collective strength is our approachability and desire to meet common goals.

Tonia Tkachenko

Tonia Tkachenko

Associate
BSc, MArch, ARB

Tonia was made a dRMM Associate in 2020 after joining the studio in 2014. Aside from day-to-day project running, team management and overseeing of deliverables, Tonia is instrumental in the progression of dRMM’s internal communication and knowledge building.

Working across a number of key residential and commercial projects, Tonia has gained valuable experience on both retrofit and new-build schemes. Her work as project lead on dRMM’s North West Cambridge Hotel has shaped the studio’s lateral approach to hospitality design, championing flexibility as a driver for creating dynamic, enduring accommodation and leisure spaces. Tonia oversees the project’s daily operations and plays a crucial role in its stakeholder engagement. Her work on the hotel’s design has ranged from concept development to value engineering, working to reconcile technical viability with user and client requirements.

Tonia’s work on relationship management extends to her internal role within dRMM, where she works to strengthen communication between the design and leadership teams. She heads forum discussions and helps steer regular Project Quality Reviews. Collectively, these tasks feed her interest in knowledge transfer from projects across to wider studio practice, ensuring constant improvement in performance and efficiency.

Tonia’s extensive project work – including the office project at 51-54 Fenchurch Street; the Old Fire Station refurbishment; the residential tower, Brill Place; and mixed-use projects based in Moscow – contributes to dRMM’s wider efforts in redefining conventional industry typologies. She is interested in driving the growth of the studio’s work sectors, examining where each of those sectors might intersect and their potential for greater international reach.

Before joining dRMM, Tonia worked at Adjaye Associates in New York. She gained her Masters in Architecture from the Bartlett, UCL, and her Part III at Westminster University.

People

Alex de Rijke

Alex de Rijke

Director
BA, Dip Arch, MA, ARB
[UK / NL]
Philip Marsh

Philip Marsh

Director
BA, DIPARCH, RIBA
[UK]
Sadie Morgan

Sadie Morgan

Director
OBE, BA (Hons), MA, DU LSBU (Hon.), FRSA, Hon FRIBA
[UK]
Jonas Lencer

Jonas Lencer

Director
DIPL ING ARCH, AK, ARB, RIBA
[DE / UK]
Judith Stichtenoth

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Director
DIPL ING ARCH, AK, ARB, RIBA
[DE / UK]
Saskia Lencer

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Director
DIPL ING (FH) ARCH, MSC, AK, ARB, RIBA
[DE / UK]
Tamsin Pearce

Tamsin Pearce

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BA (HONS)
[UK]
Benedetta Montaguti

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Architect
BArch, MSc, ARB
[IT]
Thien Hee Tey

Thien Hee Tey

Arch Assistant
BArch MA
[MY]
Ceren Mihlar

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MSC ARCHITECT
[TR]
Auzar Tehrani

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BArch, MArch
[IR]
Abby Hopes

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Architectural Assistant
BArch
[UK]
Michael Baldwin

Michael Baldwin

Senior Arch Assistant
BA (Hons) MArch
[UK]
Mark Laverty

Mark Laverty

Architectural Assistant
BA (Hons), MArch
[UK]
Lorenz Krauth

Lorenz Krauth

Arch Assistant
MSc
[DE]
Catherine Clarke

Catherine Clarke

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BFA, MAVA
[SA / UK]
Andy Matthews

Andy Matthews

Project Architect
BA (Hons), MA, ARB
[UK]
Chris Cornelissen

Chris Cornelissen

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BSc Msc MArch ARB
[NL]
Andres Hernandez

Andres Hernandez

Senior Project Lead
BArch MSc GradDip
[CO]
Sorina Siddall

Sorina Siddall

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UK
[BA(Hons), AADip, PGDip, ARB]
Anu Shemar

Anu Shemar

Arch Assistant
MEng + RIBA Part 1
[UK]
Olivia Chan

Olivia Chan

Arch Assistant
BA (Hons) MArch
[UK]
Grigoris Tsilimidos

Grigoris Tsilimidos

Arch Assistant
BA (Hons) MA RCA
[GR]
Farid Karim

Farid Karim

Arch Assistant
BA (HONS)
[SY]
Finbar Charleson

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Arch Assistant
BA (HONS), MARCH
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Findlay McFarlane

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Arch Assistant
BSc (Hons), MArch
[UK]
Héloïse Le Carrer

Héloïse Le Carrer

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ADE, HMONP, ARB
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Joe Morris

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Senior Arch Assistant
BA (hons)
[UK]
Kat Scott

Kat Scott

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BARCH (HONS), MARCH
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Nazli Usta

Nazli Usta

Senior Associate
BARCH, GradDip
[TR]
Regina Kertapati

Regina Kertapati

Associate
BPD (ARCH), BARCH (Hons), Msc
[AU]
Sam Skogstad

Sam Skogstad

Senior Arch Assistant
BAS, MARCH
[NZ]
Sarah Beven

Sarah Beven

Bid and Comms Coordinator
BA (hons), BArch (hons)
[UK]
Steven Wallis

Steven Wallis

Senior Associate
BArchDes, DIP BDD
[AU]
Tara Ryan

Tara Ryan

Senior Associate, Head of Marketing and BD
BA (HONS)
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Tonia Tkachenko

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Associate
BSc, MArch, ARB
[RU]
Victoria Hale

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BA (Hons), Dip Arch, ARB
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Will Howard

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BA (Hons), DIP Arch, ARB
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Zafir Ameen

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Architectural Assistant
BA (HONS)
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William Marshall

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