economy
Top Goldman Sachs executive opposed David Solomon’s backing of Kathy Ruemmler
Russell Horwitz, one of few executives to raise the taboo subject, is leaving the bank

TL;DR
- Russell Horwitz is leaving Goldman Sachs.
- Horwitz was one of few executives to openly question a sensitive matter.
- The subject of his opposition involved the bank's support for Kathy Ruemmler.