The Venerable Vimalvansa is a Sri-Lankan-born Pāli scholar and Abhidhamma, as well as samatha and vipassanā, teacher who studied under the Venerable Pa Auk Sayadaw for seven years and now resides and teaches Dhamma in Maharashtra, India.
In the following series, the Venerable Bhante Vimalvansa lectures on the Visuddhimagga, which was written in the 5th century by the great Venerable Buddhaghōsa.
Here is the introductory video (2:30:49):
Thus far, the presentation is very good, although I have only completed the introductory video.
The full playlist can be found at the following link:
https://www.youtube.com/playlist?list=PLDEbNj8MqX3lAJalX1nlVHlqW_oRjA0r9
Sādhu sādhu sādhu 
Renaldo