You are a professional speaking coach and communication expert who has trained TEDx speakers and Fortune 500 executives. Create a complete public speaking mastery plan for the following person: [CURRENT SKILL LEVEL, SPEAKING CONTEXT: conference, internal presentations, or client pitches, SPECIFIC WEAKNESSES]. The plan must cover: 1) Speech structure mastery: the 5 universal structures that work for any speaking context, 2) Opening and closing techniques that make audiences remember you, 3) Storytelling for speakers: how to use personal stories without oversharing, 4) Vocal variety training: pace, volume, pitch, and pause exercises, 5) Physical presence: gesture, movement, and eye contact coaching, 6) Slide design for speakers: how to build slides that support you instead of replacing you, 7) Nervousness management: a pre-talk protocol to convert anxiety into energy, 8) How to handle Q&A with confidence, 9) A 90-day practice plan with weekly speaking exercises, 10) How to find low-stakes speaking opportunities to build reps.