Meet the Kernfarm Team
Kernfarm started trading in 2014. We are a growing family business set up by a strong team of three brothers; Tim, Diederik and Gijs van Rijn.
Collectively we draw upon our different skills and backgrounds to provide quantifiable benefits and solutions to our customers within the livestock pharmaceutical market.
Tim van Rijn - Director
With an international sales background and keen interest in differing cultures, Tim is well equiped to develop international networks on behalf of Kernfarm and liaise with a variety of clients and partners across the globe. Tim is an opportunist and always looking for new possibilities to develop business ideas and provide solutions to customer challenges.
Tim is a regular point of contact for Kernfarm clients and deals with sales, business develop and finance. If you have a business idea to discuss, or a problem which needs solving, Tim is incredibly committed to investigate the possibilities and find solutions.
When he is not developing a new business opportunity for Kernfarm, Tim can be found at home with his family, exploring a new country or on skis at the top of a mountain. He is also easily challenged on a golf course.
Gijs van Rijn - Director
Gijs has a wealth of experience and a network of contacts gained from his role working with the Amsterdam Economic Board, leading sustainable collaboration projects across the EU. His knowledge of working with stakeholders in the public and private sector has facilitated the development of the products and service Kernfarm offers.
Gijs’s core responsibility at Kernfarm is quality and registrations. He oversees the registration process, from current products to new products and product recalls and is in regular contact with the relevant authorities, government and regulatory bodies to shape legislation and ensure that Kernfarm is compliant.
Ensuring that quality control and quality assurance are at the very forefront of Gijs’s work and what Kernfarm does. He prides himself on good internal processes, maintaining high standards and working within the GMP compliancy framework.
Alongside his role at Kernfarm, Gijs is a proud dad, a spontaneous traveller, an avid football fan and likes a good round of golf.
Diederik van Rijn - Director
Diederik’s background is in the agricultural, pharmaceutical and trading world so Kernfarm is a natural fit. Prior to setting up Kernfarm Diederik gained experience from working as a business unit manager for a large International pharmaceutical company and also for an agricultural trading company overseas.
Diederik’s focus at Kernfarm is business development and sales. He strives to continually improve the product portfolio and service Kernfarm offers and develop a valuable position for the company within the pharmaceutical market.
When not securing new sales for Kernfarm, Diederik enjoys endurance sports, being outside with his family and hunting for his next catch.
After having worked at KLM Royal Dutch Airlines for nearly fourteen years in various management positions in the Netherlands and abroad, Diederik made a conscious decision to work in the industry that he is truly passionate about: animal healthcare. Before his adventure in aviation, Diederik studied veterinary medicine in Utrecht.
As Managing Director, Diederik has the important task of helping Kernfarm grow to the next phase. He does this by supporting the team, empowering employees, attracting new talent and adding structure and focus to the work. Diederik likes to take this challenge head on and he is very enthusiastic to be part of this talented team.
Diederik lives with his wife and two sons in Amsterdam. He prefers to spend his free time with them, or he can be found in nature: surfing, diving, fishing and hunting. At home he prepares his own catch for family and friends.
Cynthia Baaijens - Quality Assurance Manager
Cynthia’s background is in the medical industry, firstly in nursing and thereafter in sales and recruitment. Her last position was leading the Quality Assurance for a company developing medical devices for the consumer market.
Cynthia is Quality Manager at Kernfarm and is responsible for ensuring that Kernfarm is compliant with the GMP regulations alongside internal Standard Operating Procedures.
Cynthia strengthens the Kernfarm team both from a quality and commercial perspective. Her keen eye for detail, precision and determination create new opportunities to work more effectively and efficiently within the QA framework.
When she’s not overseeing the quality assurance at Kernfarm Cynthia is spending time with her family, dreaming about travels and scoring goals on the hockey pitch!
Maggy Brinkert - Office Assistent
Maggy strengthens the Kernfarm team as Office Assistent. Maggy has a wealth of experience gained from working for many years in different roles within a warehouse environment. This is why she began at Kernfarm as a Team Leader Warehouse & Production.
Maggy is responsible for the process of procurement and transport, production planning and sales, all in close cooperation with department Production & Warehouse.
She feels very at home in the Kernfarm warehouse and enjoys ensuring that everything is running smoothly and that goods are received and dispatched correctly and on time.
Suzanne Dorresteijn Hadders, DVM – Technical Specialist
Suzanne’s passion for caring for livestock began as a child, growing up on a farm in Wilnis and Zeewolde in the Netherlands. Upon completing her studies in 2008 and qualifying as a vet, Suzanne worked at a large animal practice in the Groene Hart for 2,5 years as cattle vet. She then spent a year in Cambridge, UK where she worked in a large animal practice and worked with students from the London Royal Veterinary College too. Following her return to the Netherlands, Suzanne worked part-time as a vet and part-time teaching students at Utrecht University.
At Kernfarm, Suzanne is responsible for using her in-depth knowledge to provide technical advice to assist with the development and broadening of the product portfolio. She also offers training to the rest of the team at Kernfarm. Suzanne is excited to be working with Kernfarm, a company that is a breath of fresh air within the livestock pharmaceutical market.
Outside work, Suzanne can be found with her family and looking after their dog, goat, sheep, plus two goats! To let off steam, she likes to run with her dog and from time to time let her hair down at a good music concert.
Vanessa Wakanno - Finance and Office Administrator
Before working at Kernfarm Vanessa was working in the client and customer services department at Mediq in Utrecht, a pharmaceutical company offering medical devices and healthcare solutions.
Vanessa has the broad role of Finance and Office Administrator at Kernfarm. Full of energy, Vanessa strives to learn all aspects of the Kernfarm business and help out where she can. She likes the variety of her job – working both in the office assisting marketing and finance with their administration and also in the warehouse as needed.
When not at work, Vanessa likes to let off steam by going for a run. She is proud of her Moluccan roots and likes to spend time with her family and help with organizing events within the local Moluccan community.
Rebekka van Zanten - Warehouse and Production
Rebekka’s background is in warehouse and production work after working for a time at Mattison, a company supplying a range of natural and organic lifestyle products such as supplements, vitamins and health snacks.
She is now a valued part of the warehouse and production team at Kernfarm, responsible for ensuring that products are relabeled to a high standard ready for delivery to Kernfarm customers. She also supports the warehouse manager by assisting with incoming goods and order picking. She likes the varying work at Kernfarm and especially the companionship offered by the rest of the Kernfarm team.
When not in the warehouse Rebekka likes spending time in the garden with her husband and three dogs – Lady, Cinta and Beau. She also likes getting creative and has various craft projects on the go including making her own wedding album!
Reina van Wageningen - Warehouse and Production
Reina grew up on farm so is no stranger to having animals around her and now enjoys living in Nieuwer ter Aa, close to the head office of Kernfarm in Breukelen.
Prior to working at Kernfarm Reina worked in housekeeping. After a stroke affected Reina’s mobility she started working at PAUW a social work organization which helps people reintegrate into the workforce. At Kernfarm, Reina is part of the warehouse and production team helping Kernfarm with relabeling and packaging of medicines to sell in the Netherlands and across Europe. Reina has become an established, reliable and loyal member of the Kernfarm team and enjoys her work and sharing a joke with her colleagues.
When she is at home, Reina is kept busy with her family and active grandchildren. To relax Reina likes to go to the gym and get stuck into a good puzzle.
Gwen Windhorst - Business Support Manager
Gwen strengthens the Kernfarm team as Business Support Manager. Gwen lives with her family in Utrecht, close by to the Kernfarm head office. After studying Facility Management at Wageningen, Gwen began working at for the Dutch railway company and thereafter for twenty years at the Rabobank where she gained a wealth of experience in various positions both front end and back end including management of finances for Food and Agri corporates. After the Rabobank, Gwen made the conscious decision to work for smaller, professional and dynamic companies, scale-ups. Starting at the Tuk Tuk Factory in Diemen where she was responsible for setting up a coordination centre, running HR, facilities and improving the efficiency of the business and now for Kernfarm. Gwen enjoys anything active – running, yoga, skiing, she even cycles to work on her racing bike!
Sonja Smit - van der Most - Marketing Manager
Improving the quality of life is the common thread in Sonja’s career. She worked as a dental hygienist in various practices in Amsterdam and at the Dutch Royal Navy. At the same time she followed a second study Commercial Economics, after which she gained a lot of commercial experience as Account Manager at an innovative dental company. Sonja then switched to the pharmaceutical industry and became responsible for all marketing and communication at Fagron (specialist in pharmacy compounding) with her marketing team.
After nearly 10 inspiring years in human pharmacy, Sonja now tackles Kernfarm’s challenge in the veterinary industry. With her creativity and enthusiasm, she hopes to firmly position Kernfarm, so that veterinarians and wholesalers are aware of Kernfarm’s activities and have sufficient choice to improve the welfare of farmers’ livestock.
Outside work Sonja trains for the half marathon running, she likes to wander brocantes and dreams of ever re-creating and decorating an old farmhouse with her family…
Fokko Aldershoff, DVM - Technical & Account Specialist
Fokko’s interest as a veterinarian is in the pursuit of sustainable livestock farming and keeping animals healthy. At Kernfarm Fokko can combine his curiosity about exploring new possibilities with his knowledge as a veterinarian. He likes the contact with customers and the technical support of these customers, combined with trying and doing new things.
After graduating in 2013, Fokko worked as a veterinarian in New Zealand for several years, with a focus on cattle. Upon his return to the Netherlands, he broadened his knowledge by fulfilling two international, commercial-technical roles in cattle genetics and specialist animal feed. Working on different types of companies, with different animal species and a variety of people, from individual cattle owners to owners of large integrations, which was very educational and interesting.
Fokko lives in Nieuwkoop with his wife, two children, two cats and three chickens. In his spare time, he likes to go outside. Cycling, sailing, gardening and visiting a football match (in Amsterdam), alternated with a good book, are among the favourites of Fokko.
Marlena Stepinska – Warehouse Assistant
Marlena has been strengthening the Kernfarm team since May 2020. She is the right-hand man of the Team Leader Production & Warehouse and assists with all processes. It also ensures that all orders and other activities within the company are handled properly and with care. In case of need, Marlena will also assist within production.
Marlena has gained her work experience at Warehouse & Production at Mattisson. As a Team Leader Production & Warehouse, Marlena dealt with all the processes within Mattisson and worked there with foods (vitamins, supplements, organic snacks etc). Marlena excels in care and precise work, which is a perfect match within her job. Marlena is a hard worker and goes to work with a smile every day. She works efficiently, with passion and gives a lot of attention to all processes within the company.
Marlena lives with her boyfriend in the beautiful, small village of Kockengen. She likes to read books, preferably psychological thrillers, crimis and occasionally good, romantic stories.
Paola Vasters - Content Creator
Paola’s background is in the human medical field. She started her career as a scrub nurse in the operating room. In the evenings she studied Industrial Product Design and rolled into medical product development. She co-developed innovative emergency ventilation products at Ventinova Medical. Later she discovered her love for marketing as a product manager. In recent years she has started the online magazine FloorZorgt.nl for people working in healthcare.
With her diverse background, Paola strengthens the marketing team of Kernfarm. It gives her energy to reach Kernfarm’s customers in a creative way.
In her spare time she spends a lot of time socializing with her family and friends. To stay fit she likes to run with her running buddies in Haarzuilens, rain or sun.
Stan van Vliet - Content Creator
After completing his Media Management education at the Graphic Lyceum, Stan gained experience in various positions. Stan started working as a DTP employee at the Watersportverbond where he was responsible for all internal and external printing. After an instructive year and a half at the Watersportverbond, he started working as a Marketing / Communication employee at Van Vulpen. Here he set up everything regarding Social Media and video and helped the company create a more professional image. After a while Stan decided to develop further in a different industry and started working as an AVL (Audio, Video and Light) Technician at Heuvelman Sound and Vision. Here he helped build and run several major events.
Yet after two years he missed the love for Marketing and Content creation and decided to start at Kernfarm. Stan is very enthusiastic and happy to help Kernfarm develop and grow in the marketing field!
Outside of work, Stan is very sporty, he is a goalkeeper of a football team and can be found in the gym regularly.
Marjolein Rood – QA & RA Officer
After her studies in Pharmacy, Marjolein started at Kernfarm. Adding real value for people and animals is very important to her.
In her view there is a lot of value to be added in the pharmaceutical world. Although the work of a pharmacist is versatile, her heart lies mainly in quality improvement.
For example, she has carried out various projects at, among others, the Municipality of Utrecht and the CWZ, which revolved around quality improvement. Small changes that make a world of difference. She gets energy from that.
She now applies the knowledge and experience that she gained during her studies at Kernfarm.
Since December 2020, she supports the team as QA & RA Officer.
The enthusiasm and friendliness of her colleagues make her feel at home at Kernfarm.
In her spare time, Marjolein likes to write her book or take a walk in nature. Her hometown Veenendaal has enough woods and heath in the area to stroll endlessly.
She also likes to watch movies and series with her family and friends. Her cat Mira also likes to watch a movie.
“Collectively we draw upon our different skills and experience to continually improve the service we offer our customers”
- Tim -