By Jennifer Sieg In this week’sFounder Profile, we meet Jayne Sibley, co-founder of Sibstar, a mobile app and debit card for people with dementia. If you’ve ever found yourself caring for a loved one with dementia, you might know how difficult the diagnosis can be. Especially when it comes to learning how to manage their finances, which in entrepreneur Jayne Sibley’s case, can also take a toll on your own. Sibley, 49, founded Sibstar — a mobile app and debit card for people with dementia — in 2020 with her husband while caring for her parents, who were both diagnosed with the disease. It launc…