https://pacheco-torgal.blogspot.com/2019/10/replacing-founder-ceo-by-professional.html
Still following the paper mentioned in the post above see in the link below a paper accepted in the journal Research Policy that was put online on July 24 showing that firms with female CTOs are more innovative (as captured by both patent counts and patent citations) than firms with male CTOs. https://www.sciencedirect.com/science/article/abs/pii/S004873332100127X