Greg Rosen is a partner at BoxGroup who followed an unusual BoxGroup → Benchmark → BoxGroup career path, giving him rare perspective on both high-velocity seed investing and concentrated multistage approaches. He's known for being origination-obsessed, spending disproportionate time finding founders before they formally fundraise, and for backing exceptional teams across categories rather than sticking to rigid investment themes. Greg Rosen is a partner at BoxGroup who followed an unusual BoxGroup → Benchmark → BoxGroup career path, giving him rare perspective on both high-velocity seed investing and concentrated multistage approaches. He's known for being origination-obsessed, spending disproportionate time finding founders before they formally fundraise, and for backing exceptional teams across categories rather than sticking to rigid investment themes.