Herman Betten

- CEO, Teneo Netherlands

"It's a pleasure to deal with Doris. She is highly knowledgable and has a good feeling for news without losing sight of the important details. As an added bonus she's a great person as well!"

Norman Ellard

- President, ICOF America Oleochemicals

I have worked with Doris many times over the years with her analysis of the oleochemical industry and have considered her one of the best editors in this space with her keen insightfulness and open minded discussion of the issues. I always enjoy working with Doris since it is an enlightening experience on some of the issues of the day in the industry.

Kathryn Sheridan

- CEO, Sustainability Consult

- PEOPLE and PLANET | Coach and Consultant

"Doris De Guzman is the leading green chemicals blogger today. She has extensive knowledge of the renewable chemicals space and combines competence with courtesy. We are both at the cutting edge of communicating on the bioeconomy and as such I have been in touch with Doris for many years. She is always a pleasure to work with."

Neil Burns

- Managing Partner, Neil A Burns LLC

- Investor & Advisor, P2 Science

"Doris has worked hard to carve out a globally recognized role for herself as an authoritative source of news and analysis in the business of chemicals. Her green blog is by far the leading renewables chemicals publication of its type in the field. As a result, Doris's reputation in the global chemical industry is at a level only enjoyed by less than a handful of journalists."

Adrian Higson

- Managing Director at Bioeconomy Consultants NNFCC

"Doris provides a reliable and up to the minute source of information on all activity in the bio-based chemicals area. Her grasp of network activity and the implications of new announcements make her blog posts insightful and interesting."

Paul Winters

- Director, Public Affairs and Federal Communications at Clean Fuels Alliance America

Doris is one of the most respected and read journalists covering the renewable chemical sector. The industry looks to her as the reliable source on most stories. And anyone not following her on Twitter is missing out."

Rod Cummings

- Business Development, M&A, Due Diligence, Technology Commercialization expert, Aramco

"Doris is well-connected to the renewable chemistry space and reports relevant information in a timely manner. Her blog reports thorough and reliable information on all aspects of the industry. Her use of social media aids in wide distribution of the information to all interested."

Andy Shafer

- Chief Marketing, Customer and Brand Officer, Gevo

"Doris is a highly connected, thorough and reliable green chemistry reporter. She takes the time to get the important information from across the industry - and get it in an accurate and timely manner. I enjoy being a regular reader of her blog."