Casualty Underwriter (General Liability). Most Casualty underwriting jobs promise “fast-paced environments,” “strong broker relationships,” and “profitable books of business.”. You’ve probably noticed that a lot of them also deliver… none of that. So here’s something different. Ledgebrook is an E&S MGA actually built for underwriters — not for legacy systems, not for committee meetings, and not for people who think innovation means adding another...