Wilson – Business PowerPoint Template
https://elements.envato.com/wilson-business-powerpoint-template-H3VVQ23
Free 
Milano – Business PowerPoint Template
https://elements.envato.com/milano-business-powerpoint-template-9G738E6
Free 
Hipsteri – Hipster Style Powerpoint Presentation
https://elements.envato.com/hipsteri-hipster-style-powerpoint-presentation-BH8HHL
Free