Jonathan Sieff - Email & Phone Number

Member Board Of Directors at Polymateria

Jonathan Sieff is based out of London, England, United Kingdom and works at Polymateria as Member Board Of Directors.

Jonathan Sieff's Contact Information

Jonathan Sieff's Work email

j*****@polyma***.com

Valid

Latest update

September 19, 2025

Location

London, England, United Kingdom

Jonathan's current employer

Polymateria

Description

Welcome to the Polymateria website. We are a British business, developing a new standard in biodegradable & compostable plastics, called ...

Website

polymateria.com

HQ Location

London, London, United Kingdom

Number of employees

11-50

Industry

Plastics Manufacturing

Latest update

April 30, 2024

Read about Polymateria

Frequent questions about Jonathan Sieff

What company is Jonathan Sieff working for?

Jonathan Sieff works for Polymateria.

What is Jonathan Sieff's function at Polymateria?

Jonathan Sieff is Member Board Of Directors at Polymateria.

Where is Jonathan Sieff based?

Jonathan Sieff is based out of London, England, United Kingdom.

What is Jonathan Sieff's work email address?

Jonathan Sieff's professional email address is j*****@polyma***.com

Who are Jonathan Sieff's co-workers?

Jonathan Sieff's colleagues are Niall Dunne, Alessandro Dulli, Karam Hirji, Steven Altmann-Richer, Hery Randrianantoandro, Richard Horne, Andrew Webster, Denis Khomyakov, Mui Chai, Liepa Olsauskaite, Yuri Gorbunov, Ilia Georgescu, Alex Pike, Mapet Diaz, Deepti Gupta, Jack Sieff, Robert Edge-Partington, Faith Ly, Gavin Hill, Sophie Stromback, Silvia Ion, Florence Huynh, Ian Morris, Giovanni Santagiuliana, Roy Oudenhoven, Julie Loschmann, Hasan Sawal, Kirsty Diclaudio, Simran Nawander, Verónica Pujadas, Richard Lloyd, Sarah Ho, Celine Moreira, Ana Trufasila.

Jonathan's co-workers

Niall Dunne

Chief Executive Officer

Alessandro Dulli

Senior Vice President Science & Technology

Karam Hirji

Chief Operating Officer (COO/CFO)

Steven Altmann-Richer

SVP Global Communications & Regulation

Hery Randrianantoandro

Vice President of Sales & Marketing

Richard Horne

Chief Commercial Officer (CCO)

Andrew Webster

SVP Ventures & Corporate Development

Denis Khomyakov

Head of Sales - Russia, Middle East & Africa

Mui Chai

Head Of Sales, South East Asia

Liepa Olsauskaite

Head of Brand Activation 📢

Yuri Gorbunov

Head of Technical Sales & Marketing EMEA

Ilia Georgescu

Head of Sales - Western Europe & LATAM

Alex Pike

FInance Director

Mapet Diaz

Art Director/Creative lead

Deepti Gupta

Head - Growth & Partnerships

Jack Sieff

Head of Sales Middle East

Robert Edge-Partington

Digital Communications Manager

Faith Ly

Analytical Scientist

Gavin Hill

Chief Polymer Scientist

Sophie Stromback

Business Partner

Silvia Ion

Assisstant Project Manager

Florence Huynh

Research Innovations Manager

Ian Morris

Laboratory Manager

Giovanni Santagiuliana

Innovation Project Manager

Roy Oudenhoven

Chief Operations Officer

Julie Loschmann

EA to Niall Dunne Maternity Cover

Hasan Sawal

Analytical Scientist

Kirsty Diclaudio

Events & Partnerships Manager

Simran Nawander

Global Marketing Consultant

Verónica Pujadas

Logistics and Supply Chain Manager

Richard Lloyd

Analytical Scientist

Sarah Ho

Development Innovations Manager

Celine Moreira

New Product Development Manager

Ana Trufasila

Analytical Scientist

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