Hello,
I'm IT business analyst since 2015 and i can be in product owner position, i have elaborated several documentation and design using unified method and i already modeled more than 100 business processes using BPM / UML / Flow chart...with Bizagi Modeler, and other software like PowerAmc, Bonitasoft providing catchy and professional works.
So I can do this work for you, I inform you that I master all diagrams having relation with flowchart/ BPM (Business process model) such us private process, public process, collaboration and choreography, workflow, flowchart.. that can describe in the best way your task...
Feel free please and contact me for more details , i assure that i can satisfy you completely and want to have a long term collaboration with you and i will be glad to offer you my services, i will send you samples of my closed work and we can negotiate everything you want.
Best Regard!