• Operate as the CEO’s right hand and force multiplier • Translate strategy into action and unblock the CEO • Support outbound and inbound sales efforts, including deal preparation • Help define and execute Eddi’s story across various platforms • Own high-priority, cross-functional initiatives that do not fit neatly into one function

• Act as a strategic thought partner to the President & CEO, helping frame issues, pressure-test thinking, and translate strategy into clear priorities and actions • Drive execution against the President & CEO’s annual priorities, enterprise goals, and turnaround initiatives, ensuring follow-through and measurable progress • Help the President & CEO stay focused on what matters most by triaging issues, preparing decision materials, and anticipating challenges before they escalate • Support preparation for key meetings, speaking engagements, enterprise communications, and external interactions • Serve as the President & CEO’s primary partner for Board and Committee coordination, ensuring disciplined, high-quality governance processes • Own the end-to-end process for Board agendas, materials, calendars, and cadence, in close partnership with the Chief Legal Officer, Corporate Secretary, and committee liaisons • Coordinate follow-through on Board actions, resolutions, and commitments, ensuring accountability and closure • Enable a high-performing ELT by helping set priorities and operating rhythms that drive enterprise outcomes • Help establish and reinforce strong management discipline, including enterprise tracking of priorities, milestones, risks, and results • Support efforts to strengthen culture, improve communication, and build strong relationships with the Board, executives, and broader organization

• Act as second-in-command to the Head of Operations and backfill Plant Managers as needed • Drive financial and operational KPIs across North America • Leverage AI, analytics, dashboards, and visual tools to enable insight-driven decisions • Lead Operational Excellence initiatives using Lean, Engineering, and Project Management methodologies • Translate ambiguous challenges into actionable solutions • Support budgeting, monthly performance reviews, and variance mitigation • Coordinate strategic initiatives including mergers and acquisitions • Influence cross-functional teams to share best practices and drive sustainable improvements • Champion change management and culture-building aligned to a 100% Safe Everywhere mindset • Represent RHI Magnesita North America at internal and external forums

• Keep the CGO in sync with the organization by tracking decisions, owners, and follow-ups and ensuring they are executed. • Shape and manage the CGO’s schedule and “flow of traffic” so their time is spent on the highest-impact activities. • Coordinate organizational and logistical syncs, offsites, and gatherings related to growth. • Prepare the CGO for key internal and external meetings with concise briefings and ensure clear, timely follow-up. • Act as an orchestrator and integrator, ensuring the right people are prepared, aligned, and accountable around the CGO’s priorities across Sales, Marketing, Customer Success, Finance, Product, and Operations. • Partner with the CGO to define and maintain annual and quarterly growth priorities, including key initiatives and focus areas. • Own and run the CGO’s operating cadence (e.g., leadership meetings, MBRs/QBRs, weekly growth huddles, 1:1s), ensuring agendas, materials, and attendees are aligned to current priorities. • Translate strategic priorities into clear action plans with owners, timelines, and checkpoints; track progress and surface risks, blockers, or trade-offs. • Prepare briefing materials and talking points for Board, executive, and high-stakes internal and external meetings. • Maintain a high-level view of key relationships with agencies, school districts, partners, and internal stakeholders, ensuring the CGO is prepared and follow-ups are closed — without acting as the primary salesperson. • Serve as an organizational extension of the CGO, helping prioritize where they spend their time and shaping the schedule to reflect strategic priorities while minimizing context switching. • Conduct pre-briefs and debriefs for key meetings; capture and track decisions, action items, and follow-ups, ensuring owners are clear, accountable, and reporting back. • Partner closely with any executive assistant support and act as a filter and “traffic controller” for inbound requests, routing items to the right leaders and protecting the CGO’s focus. • Plan, coordinate, and facilitate organizational syncs and gatherings related to growth (e.g., revenue leadership offsites, growth summits, workshops, key customer or partner events). • Design and run effective meetings, including agendas, materials, facilitation support, and clear outcomes. • Act as a connector across Revenue, Product/Technology, Operations, Marketing, and Finance to ensure information flows smoothly and teams are aligned on priorities. • Draft and refine clear, concise internal communications on behalf of the CGO (updates, org changes, priorities, recognition). • Ensure alignment across revenue and growth leadership on goals, metrics, and initiatives; proactively identify and address misalignments. • Support organizational design, headcount planning, and hiring discussions by coordinating inputs, synthesizing perspectives, and driving follow-through on decisions.