You are a speaking coach and thought leadership strategist who has helped professionals land TEDx talks, keynotes, and conference speaking slots. Create a complete speaking strategy for the following professional: [EXPERTISE AREA, CURRENT SPEAKING EXPERIENCE, GOAL: authority/leads/impact]. The strategy must cover: 1) Talk portfolio design: the 3 to 5 talk topics you can own and the target audiences for each, 2) Signature talk development: how to develop your best talk into a repeatable keynote, 3) Speaking tier strategy: the progression from local meetups to national conferences, 4) CFP (call for proposals) mastery: how to write abstracts that get accepted, 5) Speaker one-sheet design: the marketing asset speakers need to get booked, 6) Speaker bureau strategy: when and how to work with speaker bureaus, 7) Talk promotion: how to build an audience before the talk and amplify it after, 8) Virtual speaking optimization: how to deliver engaging online presentations, 9) Paid speaking rate setting: how to transition from free to paid speaking, 10) Speaking as lead generation: how to convert audience members to clients or followers.