Here the fundamentals of the pellet mill operation and the many variable factors that influence the final pellet quality are explored. The impact of raw materials, particle size and machine set up are discussed together with practical methods to establish the optimal set up of the pellet machine in terms of output, energy usage and product quality.

  • Optimizing the set up and running of a pellet mill including Dies and Roller management

  • Differences and types of pellet mills

2.00-2.20 PM

2.20-2.50 PM

2.50-3.20 PM

3.20-3.40 AM

  • Introducing the Flat Die Pelleting Press

  • Q&A

3.40-3.55 PM

  • Session Closing

3.55-4.00 PM



Ryan Alan S. Celis is a Mechanical Engineer by training. He graduated from the University of the Philippines in Diliman in 1987 where he also earned his Certificate in Advanced Military Training in 1985. He placed 6th in the 1987 Mechanical Engineering Licensure Examinations. Ryan also took his Masters in Business Administration from the Ateneo de Manila Graduate School of Business in 1992. He started his professional career in San Miguel in 1988 which saw him undertake various positions, first as a Cadet Engineer, then as Head of Preventive Maintenance, Plant Engineer, and Manufacturing Manager of the company’s major feedmilling facility in Manila. On top of this, he also managed the company’s drying facilities for brewery by-products. His last assignment was as Plant Manager of a newly constructed feedmilling facility outside of Manila.


After leaving San Miguel, he set-up his own food company marketing and distributing his former company’s poultry and meat products under the Magnolia, Purefoods Hormel and Monterey Brands. He also set-up his own engineering and consultancy company doing project engineering and project management, consultancy and technical training, maintenance services, fabrication, construction, and installation works for feed and food manufacturing companies. Over-all, Ryan’s experience in the feedmilling industry spans 32 years. At present, his company also operates a feedmill plant in the southern Philippines doing contract manufacturing for various major feed integrators and commercial feedmillers.


In 1981, Jon Ratcliff, an honor graduate from Reeding University, joined national UK feed company J Bibby Agriculture as a Poultry Nutritionist.  During his fifteen years with J Bibby, and latterly Associated British Foods, he undertook vaiours management positions culminating in his appointment as General Manager in 1990 and Commercial Manager in 1994 responsible for 4 multi species feed mills producing 450,000 tonnes per annum.

In 1996, he left to set up his own consultancy business, Food & Agriculture Consultancy  Services (F.A.C.S. Ltd.) As well as providing a nutritional service, F.A.C.S. specializes in the implementation and audit of HACCP based food safety programs from farm through to processing.  For more than 15 years, Jon has been consulting for the UK's leading supermarket, Tesco, on  matters relating to animal feed and animal feed mill and supply chain auditing.  He has considerable experiences in feed mill systems across the world and provides seminars and training on HACCP and GMP specifically for feed mills.


Olaf Naehrig is Amandus Kahl’s Senior Area Manager, responsible for the Asia/Pacific markets. He has been in Amandus Kahl’s sales team since 1996 and has been active in the Asian market for over 24 years. The expander technology has been one of his main fields of activities, especially in mature Asian expanders markets as Japan and Korea and the fast developing expander markets such as in Taiwan and Vietnam. He is very familiar with all expects of the use of expanders in feed milling, such as improved feed digestibility, increase of pellet quality and pellet press capacity, hygiene, reduction of anti-nutritive factors for pig, poultry and cattle feeds. He is a qualified machine fitter and graduated from Nordakademie Elmshorn/Hamburg, Germany, with a degree in Industrial Engineering/ Business Administration.


Malcolm Gresswell has spent his entire career in milling of flour and animal feeds in Australia and Canada.  He combines qualifications in Mechanical Engineering and Flour Milling with 46 years experience, at all levels of management in feed milling and flour milling, starch and glucose industries.

Malcom began his career with Henry Simon (Aust) Ltd. as a Flour-milling Trainee, progressing to Plant Manager, Engineering Manager, general Manager and national Operations Manager for leading companies such as George Weston Foods, Goodman Fielder and Ridley AgriProducts.  In his latest role, he was responsible for the operation of 18 feed mills and 2 block suplermarket plants with a total output of 1.6 M tonnes per annum.  Malcolm has been active in consulting, training and mentoring professional in the Animal Feed Industry since retirement.  He is a highly respected and a widely sought after expert in Feed Milling.

Roy Kazen

Business Development Manager - North-America

Area Sales Manager-Africa Ottevanger Milling Engineers

Sr. Area Manager – Asia Pentair Fairbanks Nijhuis


various international (technical) sales functions


2018 SMEI Certified Professional Salesperson

2003 Bachelor of Business Engineering

2001 Bachelor of Automotive Engineering


Yiannis Christodoulou is currently engaged with Progressus, Agentis Innovations and Athene Consulting, all companies which he co-founded in 2011. His core strengths and specialization is established in the field of sales and marketing, bestselling practices, strategic planning and strategy implementation, in promoting positive change, creativity and innovation in Agribusiness. Yiannis has been exclusively associated and active in the livestock and aquaculture industry in Asia Pacific since 1999. Throughout his career, Yiannis has had the opportunity to work in various Asian countries and in roles such as, technical support, sale representative, general manager and regional director for international companies operating within the animal health and animal nutrition industry. Yiannis graduated from Scottish Agricultural College in Poultry production and management, from Wye Collage-University of London with a BSc in Animal Agriculture and currently is about to receive his MA in Leading Innovation and Changes in Organization from York St John University in UK


Roger Gilbert has worked in the milling sector globally as a journalist and publisher since 1983, with a focus on feed, flour, rice milling and aquaculture feeds processing. As the publisher of Milling and Grain magazine since 2000, He is a New Zealander and graduated from Orange Coast College, California in 1972 before joining the NZ Ministry of Agriculture as a press officer. Roger says milling has become an essential process that supports our modern-day civilisation, providing nutritious foodstuffs for all. He believes that new milling technologies and applied science-based nutritional research is the way forward in providing safe and affordable food. “In an ever changing world Milling and Grain has been updating millers’ technical and nutritional knowledge since 1891. Long may the magazine continue to meet this need and meet the challenges to feed 9.5 billion people by 2050.”


Various topics will be selected with focus on specific but important aspects of Feed Mill operation and management. The session will provide an excellent learning platform and refresher training for those involved in feed production of livestock and aquaculture feeds.

At the end of each session, delegates will have the opportunity to interact with the facilitators/speakers in a live Q&A session.

Exclusive discussion room with the experts after the end of each session

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