Avanos Seeds employs over 60 people over the various departments, including Research and Development, Seed Production, Warehousing and Processing, Sales and Marketing, and General Administration. 

Marietta van der Werff

Managing Director

Marietta van der Werff is the founder and Managing Director of Avanos Seeds. She is an Agricultural Engineer and Plant Breeder trained at Wageningen University in the Netherlands, with 30 years of experience in the vegetable seed industry. Her experience with the seed industry is rooted in Asia and Africa, and her vision is for farmers and growers in developing countries to have access to fair and high quality vegetable seed, with which they in turn can build a stable business and positively contribute to a healthy food supply chain and national food security.

Daniel Ferreira

General Manager

Daniel Ferreira is the General Manager of Avanos Seeds, and also serves as a Director of the Company. Presently in his 12th year with Avanos Seeds, Daniel has witnessed the company grow over time, and in the process gained valuable experience in many aspects of the business . Daniel also carries accumulated knowledge and experience in business administration from various other sectors, including the Zimbabwean cotton industry. His strength lies in human relations, bringing widely diverse teams, personalities, tasks and operations together in a well-oiled machine.


Gary Norris

Sales and Marketing Manager

With 27 years of experience in the Zimbabwean vegetable seed industry. Gary Norris‘s primary goal is to enhance local vegetable production to improve both yields and quality of vegetables available in the market, thereby reducing vegetable import dependency and positively contributing to our nation’s food security. This is done by striving to offer a stable supply of good value varieties to the market, constantly searching for new and improved varieties and farming techniques needed in the industry. Gary has developed a trusted name giving farmers professional agronomic advice.

Yvette Chiwaro

Sales Admin

Blessing Jombo

Account Manager

Blessing Jombo is account manager to Avanos’s main clients. Customer satisfaction is his main objective. During the 7 years Blessing has been with Avanos his has made it his goal to ensure that farmers can access Avanos’s seeds when they need it, and that the seed is available as near to them as possible through reputable distributors. His vision is for Avanos to be the seed supplier of choice to farmers, and for farmers to appreciate that Avanos’s range of seeds are proudly Zimbabwean developed and produced seeds and are of the highest standards.

Sales Team

Merchandisers and mobile agronomists

Sam Manjolo

Sales Agronomist









Fiona O'Donovan


Mike Chiro

Seed Production Manager

Alistair Nawanga

Warehouse Manager

Packing Team

Warehouse assistants

Ruth Nyandoro

Office Administrator

Office Admin Team

Joseph, Tendayi, Brighton



Joseph Mapundo

Research Field Supervisor

Avanos Enterprises (Pvt.) Ltd • 52 Alpes Road, Vainona, Harare, Zimbabwe • Telephone: +263-24-2884707 / 2885100 • Cellphone: +263 77 257 2634 • Email: seeds@avanosseeds.co.zw