Would You Pay $20 for Access to a Breast Cancer Cure?

It seems safe to describe Andrew Hessel as an unbridled optimist. After all, he’s selling $20 shares in a journey toward a personalized cure for breast cancer, which he says could be feasible in the next few years.

Mr. Hessel serves as the managing director of the Pink Army Cooperative. This Canadian organization has set out to lower the cost of cancer treatments while also making them more effective by embracing a new wave of synthetic biology technology (a field that was recently the subject of a piece in The New York Times Magazine).