The Helikonia team

The Helikonia team combines extensive real-world experience from some of the world’s leading companies as well as international and regional NGOs. Our core team is supplemented with close associates and partners who complement our areas of expertise.


IMG_0794 re (2) Rikke Netterstrom
Managing Director

Rikke Netterstrom is the Managing Director of Helikonia and is based in London. She has more than 20 years’ experience in sustainability strategy, stakeholder engagement and issues management. Her main focus is on Board-level engagement to promote responsible business practices and disclosure at major Asian and international companies.

Prior to founding the company, she was responsible for environmental and social issues for two of the world’s sustainability leaders – The Body Shop International plc and Novozymes A/S, preparing strategies for over 50 markets globally. As an investment analyst and a public affairs consultant, she provided advisory services to multinational companies within a range of sectors, including consumer goods, agrichemicals and financial institutions. She has worked extensively throughout Europe, Asia and the Americas, delivering workshops at Board and senior management level. Rikke was closely involved in the creation of the Roundtable on Sustainable Palm Oil as an Executive Board member, and has served as Interim Secretary General of the organisation.

Rikke is an economist, and holds an MSc in International Business from Copenhagen Business School and postgraduate qualifications from Thammasat University, Thailand. Rikke has served on the nominations committee of the prestigious Merdeka Award, as a non-Executive Director of CSR Asia Ltd and sits on the industry advisory board of Nottingham University Business School.


Sandra Sandra Duifhuizen
International Networks Manager

Sandra joined the company in 2015, and is based in Singapore. She is responsible for the coordination and project management of the Palm Oil Innovation Group. She is also involved in Helikonia’s stakeholder engagement and sustainability reporting work. Prior to joining Helikonia, she worked at UTZ Certified, a sustainability label and programme for coffee, tea, cocoa and hazelnuts in programme support for emerging markets in Asia. She also has built experience in project management from her work as an International Development consultant and from her time at FMO, the Netherlands Development Finance Company.


Su Sin Sheun Su Sin
Malaysia Manager

Su Sin joined Helikonia in 2016. Su Sin leads the HCS Approach Secretariat and Helikonia’s Malaysian team, as well as supports Helikonia’s clients on sustainability data management. Prior joining the company, she worked with Sime Darby Plantation, working on the implementation of sustainable certifications such as Roundtable on Sustainable Palm Oil (RSPO), RSPO Supply Chain Certification System (SCCS) and International Sustainability Carbon Certification (ISCC) for both upstream and downstream oil palm operations. She is a certified auditor of ISCC, ISO 14001:2004 Environmental Management System and ISO 14064: 2006 Greenhouse Gas Emissions. She holds a Bachelor of Science Computational Mathematics degree from Universiti Malaysia Terengganu.


Naina Naina Bajaj 
Project Manager

Naina joined Helikonia in 2017 as a Project Manager. Prior to Helikonia she was with PT Foundation, an NGO working with key affected populations on HIV and AIDS, and Enterprise Asia, an NGO promoting entrepreneurship development in Asia and the Pacific. She also worked with UNDP Malaysia under the Energy and Environment Cluster on projects such as the Biodiversity Finance Initiative (BIOFIN), the 11th Malaysia Plan and Going Green, and Enhancing the Effectiveness and Financial Sustainability of Protected Areas in Malaysia (PA Financing Project) with the Department of Wildlife and National Parks (Jabatan Perhilitan). She holds an LLB Law from the University of Manchester and a MA International Relations from the University of Nottingham, Malaysia.


Yeo Zee Ying
Project Manager

Zee Ying joined Helikonia in 2017. Before joining the company, she worked for AGV Environment, leading the development of sustainability reports for Bursa Malaysia listed companies, and for FoodReg Malaysia on palm oil related data in the Known Sources platform. Prior to this she was a supplier quality engineer in Western Digital Malaysia. Zee Ying holds a Bachelor of Chemical Engineering (First Class Honours) majoring in Sustainable Processing, and a PhD in Chemical Engineering specialising in “Membranes for Carbon Dioxide and Methane Gas Separations” from Monash University, Malaysia.


Rajesh Rajesh Pal Singh
Office Manager

Rajesh joined the company in 2016. Prior to joining Helikonia he worked with UTi worldwide as a procurement specialist coordinating all office functions. He also has experience in e-commerce industry, administrative and human resources. He is currently responsible for providing office administrative and support services to the team, as well as organising other special events and training. Rajesh has a Diploma in Business Studies.


Anis photo Anis Wahab
Admin Officer

Anis joined Helikonia in 2018. She is responsible for providing administrative support to Helikonia and the High Carbon Stock Approach Steering Group. Prior to joining the company, she was with Sime Darby Plantation (SDP) where she was involved in the implementation of SDP’s sustainable practices and commitments. She holds a Bachelor of Science (Major in Biology and Minor in Psychology) from Carleton University, Canada.


our_people_kok_mun Tang Kok Mun
Senior Associate – Climate Change

Kok Mun is an expert in environmental management with over 15 years experience in oil palm mills, new technologies and R&D as well as green technologies and carbon footprinting. He holds a chemical engineering degree and an MBA from the University of Malaya.


Sean_edit Sean Merrigan
Lead Content Editor and Copywriter

Sean is a native English copywriter specialised in corporate branding and CSR communications. He develops content for all media platforms, including sustainability reports, events, PR, film, online and social media.

As lead copywriter at agency Adtomic Communications, and as a freelance communications consultant, Sean has built a strong reputation among global clients in healthcare, biotech and energy. At Helikonia, Sean ensures that all of our sustainability reports meets the highest standards and that language and style is targeted at our clients’ key stakeholder groups.

Sean graduated with first class honours in English Literature and Cultural Studies from the University of Westminster.


Teoh Cheng Hai
Independent Director

Teoh Cheng Hai has been an independent Director of the company since 2008. He is also a Director of Kim Loong Resources Berhad and Proforest Sdn Bhd. He served as the 1st Secretary-General of the Roundtable on Sustainable Palm Oil (RSPO) in 2004/05 and as Advisor to the RSPO Executive Board in 2005/06. Trained as an agronomist, he has more than 40 years of experience in the plantation industry. Formerly, he was Director, R&D (1989-1995), and Director, Quality and Environment (1995-2000), for Golden Hope Plantations Berhad (now part of Sime Darby Berhad). He was also Honorary Advisor, Plantation Agriculture, for WWF-Malaysia (2000-2004).