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Justellus provides fractional sales leadership solutions, including CRO and VP of Sales services, to help emerging and underperforming B2B companies accelerate revenue growth. Founded by Mark Wallace, the company specializes in strategic go-to-market execution, having delivered measurable results such as a 148% increase in new revenue and a 20% boost in customer conversion.
AI named Justellus from November 2025 to March 2026.