USE THIS HEADLINE FORMULA:
[Keywords] | [ Skills] | [Results-Focused Value Proposition]
Here's an example for a data scientist: 
Data Scientist | Python, R, Tableau | I Help Hospitals Use Big Data To Reduce Readmission Rates By 37%2
-https://www.linkedin.com/in/abelcak/  

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* How to Find and Reach Out to Recruiters on LinkedIn