Ms. Manalili represented the Philippines in the 2017 Price Media Law Moot Court Competition in Oxford, United Kingdom and Beijing, China, where her team was a semi-finalist.

She co-authored the Philippine chapter of International Immigration and Nationality Law that was published by the Center for International Legal Studies, Austria, in 2020.

She was admitted to the Philippine Bar in 2019 and is a member of the Quezon City Chapter of the Integrated Bar of the Philippines.