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</html><thumbnail_url>https://pu.edu.bd/cse/wp-content/uploads/sites/4/2025/06/Arko-Sikder.jpg</thumbnail_url><thumbnail_width>667</thumbnail_width><thumbnail_height>1000</thumbnail_height><description>Arko is a Lecturer in the Department of Computer Science &amp; Engineering at Presidency University. A graduate of Bangladesh University of Engineering and Technology, he specializes in Graph Algorithms, Machine Learning, and Cybersecurity. He has won multiple awards in mathematical and programming competitions and mentors students as a trainer for the Presidency University Programming Club. [&hellip;]</description></oembed>
