Holista Colltech (ASX:HCT) - Webinar Presentation Company Presentations by Finance News Network August 08, 2022 02:20 PM Email Alerts for: ASX:HCT Dr Rajen Manicka - Chairman and CEO - Holista Colltech (ASX:HCT) is dedicated to delivering first-class natural ingredients and wellness products, and leads in research on herbs and food ingredients.