This copy is for your personal, non-commercial use only. To order presentation-ready copies for distribution to your colleagues, clients or customers visit http://www.djreprints.com. https://www.barrons.com/articles/guggenheim-securities-makes-another-hire-to-expand-in-middle-market-investment-banking-51599683156 Chris Macios is the latest executive to join Guggenheim Securities, which is building out its middle-market investment-banking practice. Macios will be a managing director at Guggenheim, where he will focus on coverage of private-equity firms, or financial sponsors, according to a statement. He will begin working at Guggenheim in October and will be based in New York.