Here is a four-line bio written in the first person, perfect for introducing yourself to someone:

• Hi, I'm Siddesh Pawar, a Cybersecurity and Network Engineer based in Mumbai, currently working at TCS to drive advanced enterprise security initiatives.
• I hold an MSc in Cybersecurity with Distinction from the University of Surrey and a B.Tech in Electronics and Telecommunication.
• Throughout my career, I've done everything from securing critical IT operations at Mumbai International Airport to upgrading over a thousand security gateways to post-quantum encryption standards.
• I am also an active technical researcher, having published detailed papers on pure post-quantum VPN architectures and RSA cryptanalysis on TechRxiv.