Pengjun Pei

Q: What is Pengjun Pei email address?

Email Pengjun Pei at rockypei@gmail.com and pengjun.pei@facebook.com. This email is the most updated Pengjun Pei's email found in 2026.

Q: How to contact Pengjun Pei?

To contact Pengjun Pei send an email to rockypei@gmail.com or pengjun.pei@facebook.com. (updated on August 25, 2024)

Engineering Manager at Facebook | San Jose, California, United States

About Pengjun Pei

Pengjun Pei is a seasoned Engineering Manager at Facebook, where he leads a dynamic team of over 10 engineers focused on enhancing travel and local business advertising solutions. With a robust background in machine learning systems and models, Pengjun has been instrumental in developing verticalized products that optimize ad ranking for the travel sector, ensuring that businesses can effectively reach their target audiences. His expertise in search ranking and query understanding has been pivotal in creating sophisticated commerce query classification and relevance systems, which enhance user experience by delivering highly relevant content.

In addition to his work in travel ads, Pengjun has successfully built the Goodwill Ranking team from the ground up, expanding it from a single engineer to a thriving team of eight within just one year. This rapid growth is a testament to his leadership and vision in the realm of ranking and machine learning components at Facebook. His proficiency in scalable and high-performance systems, combined with his skills in text mining, data mining, and distributed systems, allows him to tackle complex challenges in the digital advertising landscape.

Pengjun's technical acumen in languages such as Java and his deep understanding of software design and multithreading further enhance his ability to deliver innovative solutions. By leveraging his extensive knowledge and experience, he continues to drive impactful projects that not only elevate Facebook's advertising capabilities but also contribute to the broader field of machine learning and data-driven decision-making.

Pengjun Pei Work