How can i improve my speech? When I speak I often forget what I am saying half way through?

I also have trouble commanding attention/respect with my voice - I know that I need to slow my speech rate down and perhaps lower my voice? Now that I am writing a masters thesis I need to be able to present my ideas (i want to become an academic) and improve on my speaking - become more at home with it, make my voice less annoying, or there is no way I can ever give a lecture. Any tips?

What is a VPN?

VPN is (Virtual Private Network) were first used by companies to enable their employees to securely access internal systems such as email remotely (e.g. from home or while on business trips). Today they are increasingly being used for personal use by individuals to protect their privacy while online in public places (e.g. when using the wi-fi connection in a cafe) or in a country where the internet is censored / blocked (e.g. China, Saudi Arabia…).