BlueRock is building an agentic security fabric to protect organizations deploying AI agents and MCP workflows. With a $25 Million Series A, founder Bob Tinker is tackling what he sees as a 10x larger opportunity than mobile’s enterprise disruption. Bob previously scaled MobileIron from zero to $150 million in five years and took it public in 2014. In this episode of Category Visionaries, Bob shares the strategic mistakes that cost MobileIron its category positioning, why go-to-market fit is the missing framework between PMF and scale, and how B2B marketing has fundamentally transformed in just 18 months. Topics Discussed: - Taking a company public: the killer marketing event versus the unexpected team psychology challenges of daily stock volatility - Why agentic AI workflows create unprecedented security challenges at the action and data layer, not just prompts - The strategic timing of category definition: MobileIron’s cautionary tale of letting Gartner define you as ”MDM” when customers bought for security - Where enterprise buyers actually get advice now that Gartner’s influence has diminished - AEO (Answer Engine Optimization) replacing SEO as the primary discovery mechanism for B2B solutions - Why 1.0 categories have fundamentally unclear ICPs versus 2.0/3.0 products with crisp buyer personas - The ”high urgency, low friction” framework for prioritizing what to build in nascent markets - Go-to-market fit: the repeatable growth recipe that unlocks scaling post-PMF - Unlearning as competitive advantage for second-time founders GTM Lessons For B2B Founders: - Time your category noun definition strategically: MobileIron focused exclusively on solving the problem (the verb) but waited too long to influence category nomenclature. Gartner labeled it ”Mobile Device Management” when customer purchase drivers were security-focused, not management. This misalignment constrained positioning for years with no way to correct it. The framework: lead with verb, but proactively shape the noun before external analysts do it for you. Bob’s doing this differently at BlueRock by distinguishing ”agentic action security” from ”prompt security” early, even while the broader market sorts out AI security taxonomy. - Use customer language as category discovery, not invention: Bob’s breakthrough on BlueRock positioning came from asking prospects: ”How would you describe what we do to your peers?” One prospect distinguished their focus on ”the action side - taking AI and taking action on data and tools” versus prompt inspection and AI firewalls. This customer-generated framing revealed the natural fault lines in how practitioners think about the problem space. The tactical application: run this exact question with your first 10-15 qualified prospects and pattern-match their language, rather than workshopping category names internally. // Sponsors: Front Lines — We help B2B tech companies launch, manage, and grow podcasts that drive demand, awareness, and thought leadership. www.FrontLines.io The Global Talent Co. — We help tech startups find, vet, hire, pay, and retain amazing marketing talent that costs 50-70% less than the US & Europe. www.GlobalTalent.co // Don’t Miss: New Podcast Series — How I Hire Senior GTM leaders share the tactical hiring frameworks they use to build winning revenue teams. Hosted by Andy Mowat, who scaled 4 unicorns from $10M to $100M+ ARR and launched Whispered to help executives find their next role.  Subscribe here: https://open.spotify.com/show/53yCHlPfLSMFimtv0riPyM