Petrus is an NSF accredited biosafety cabinet field certifier and country manager with ESCO Philippines.

He is one of the first individuals in South East Asia to receive his IFBA Professional Certification in both Biorisk Management and Biological Waste Management. Petrus actively supports the safe use of biosafety cabinets in the region and is an active member of the Asia-Pacific Biosafety Association. His vision is to make the world a better place through biosafety and biosecurity and strongly believes that all nations should work together towards this fundamental goal.