Mark Opanasiuk

product management requirements elicitation business requirements user requirements requirements management business analysis product thinking product manager product mindset customer development customer validation customer discovery trademark geographicindication rooibos business model problem solution fit product market fit nonfunctional requirements functional requirements negotiatons batna zopa основи переговорів переговори growth mindset competitors analysis product delivery jtbd layers of needs customer needs job story jtbd framework jobs to be done jobstobedone foodprocurements food fightwithhunger righttofood aid foodaid humanrights worldfoodprogram wfp foodsystem urbanagriculture arkansas springdale swartziamadagascariensis snake-beans patent biopiracy