2013: "There is little evidence to justify the widespread assumption that willing participation in pedophilia hurts children."
2015: "I wish an attractive woman had "abused" me that way when I was 14. I would have learned many important things and had a much happier life."
2016, on Down's syndrome: "If you'd like to love and care for a pet that doesn't have normal human mental capacity, don't create a handicapped human being to be your pet."
2017: "[..] together with the dishonest law that labels sex with adolescents as "rape" even if they are willing, [..]"
To be honest, the parts on transphobia seem a bit overblown; he does seem to be accepting of different gender identities (and even plurality), but still doesn't like the use of they as a singular specific pronoun. However, I just really don't think it's necessary to re-admit someone with those ^ views to the board of an organization.