Madelyn began her journey into cybersecurity in middle school when she tried to understand how her computer’s antivirus program worked. After learning how to program and exploring her interest in security, she started her career by interning as a software engineer at various tech companies until ultimately interning on Two Sigma's Security Incident Response team. At Two Sigma, she developed a computer vision strategy for assisting in the detection of IDN homograph attacks and created and open sourced anti-phishing software. She joined Two Sigma full-time as a Security Engineer, focusing on developing software for securing application development.

Madelyn holds an S.B. in Computer Science and Engineering from the Massachusetts Institute of Technology.