“Mark’s hands-on, responsive, and genuinely collaborative approach sets him apart, making him an accessible and trusted partner who prioritizes our success”.

"More than just money, Mark rolls his sleeves-up and goes deep on AI to add real value by intros to key customers, partners, and investors".

"What stood out about Defined was how quickly they got behind Zyphra and how grounded their conviction was. They asked the right questions, focused on the substance, and showed a level of clarity and commitment that is rare at the early stage".

“Unlike others who talk in broad strokes, Defined showed an uncommon depth of understanding and backed it up with a network that actually delivered results”.