Top 1000 Funds: “We take the S in ESG very seriously,” said John Adler, mayor’s trustee and advisor to the other mayoral appointees at New York City’s $200 billion five retirement systems. Speaking at the Fiduciary Investors Symposium at Harvard University, Adler highlighted the critical role investors play in protecting workers’ rights and ensuring a just transition as the global economy adapts to the implications of climate change.