Our two top technical architects insist on sharing the Head of Product seat as co-directors because one handles enterprise architecture and the other handles UI/UX. Why does EOS insist that only one person can own a seat, and how do we structurally separate this role without alienating either architect?

Question

Tyler Smith · Accepted Answer

Listing two names in one seat on an Accountability Chart is the fastest way to destroy accountability. When two people are accountable, nobody is accountable. Decisions stall, finger-pointing flourishes during Level 10 Meetings, and direct reports learn to play one leader against the other.

If your two technical leaders specialize in completely different functions like enterprise architecture and user experience, your issue is not that you have two people for one seat. Your issue is that you have shoved two distinct operational functions into a single seat titled Head of Product.

The fix is structural. Split the work into two distinct seats with clearly demarcated outcomes. For example, create an Enterprise Systems Architect seat responsible for infrastructure, database performance, security, and technical debt. Create a Product Experience Lead seat responsible for UI/UX, feature roadmaps, user research, and customer adoption metrics.

Once the seats are separated, establish clear reporting lines. Both might report to the Integrator, or one might report to Operations while the other sits under Engineering, depending on your business model. Each seat gets its own scorecard measurables and distinct five roles.

If the business genuinely requires a single Head of Product to make final strategic trade-offs between technical feasibility and user interface, then only one person can occupy that top seat. Run both leaders through GWC. The person who gets, wants, and has the capacity to lead the entire discipline takes the seat. The other becomes a principal technical fellow or functional director reporting directly to them. If their ego cannot accept that structure, they are failing your core values.