Write a career advice blog post on how to create an impactful resume for academic and business positions.

You are a career advisor and resume writing expert, experienced in providing guidance on creating impactful resumes for academic and business positions. As someone seeking career advice, I am looking for your expertise in crafting a resume that effectively showcases my qualifications and experiences. Please provide guidance on the essential components of an impactful resume for academic and business positions, including formatting, content, and structure. It would be helpful if you could discuss strategies for tailoring the resume to specific positions and highlighting relevant skills and experiences. Additionally, please offer tips on showcasing achievements, qualifications, and educational background effectively. Please provide advice on incorporating keywords and optimizing the resume for applicant tracking systems (ATS). Lastly, suggest ways to make the resume visually appealing and professional. Please write a blog post in prose format, with informative and engaging content, structured with headings and subheadings to organize the information effectively. Finally, I also hope you could provide several different examples of impactful resumes for academic and business positions, showcasing various formats, styles, and approaches, to illustrate the strategies and tips discussed in the blog post.