Alan Si

Alan Si

Product & Growth @ Perplexity

About

Canadian data scientist turned product person in Silicon Valley. Core competencies in analytics, applied machine learning, experimentation, product innovation, strategy, and UX design. Specialized expertise leading cross-functional growth teams (acquisition, conversion, activation, retention, resurrection, subscriptions) and AI/ML teams (generative AI, post-training, personalization, ranking, recommender systems, responsibility / safety).

Country

United States

City

San Francisco Bay Area

Industry

Internet

Skill

Large Language Models (LLM), Product Management, Machine Learning, Leadership, Recommender Systems, Data Analysis, Deep Learning, Artificial Intelligence, Strategy, Financial Modeling, Research, Python, Data Mining, Statistics, Strategic Planning, Cloud Computing, Digital Strategy, SEO, SEM, CAD/CAM

Experience

Perplexity

Product & Growth

Perplexity

LinkedIn
2025 - Present · 1 yr

San Francisco Bay Area

Character.AI

Head of Growth - Product

Character.AI

LinkedIn
2024 - 2025 · 1 yr

Menlo Park, California, United States

Early PM hire, helped scale the cross-functional Growth team and oversaw MAU growth from 10M to 20M+. Led efforts across acquisition, activation, retention, & TAM expansion (new use cases) — DRI for monetization efforts, increased revenue from paid subscriptions (c.ai+) to over $X0M ARR

YouTube

Product Manager, Community & Discovery

YouTube

LinkedIn
2021 - 2024 · 3 yrs

San Francisco Bay Area

Led multiple cross-functional teams in YouTube’s Emerging Experiences & Community (EMCO) product area — worked on consumer experience, content quality, discovery, ranking, & safety for YouTube’s emerging content formats

The Athletic

Product Manager, Growth

The Athletic

LinkedIn
2019 - 2021 · 2 yrs

San Francisco, California

2nd PM hired, led teams working on growth, core product, and content. Helped grow The Athletic from 500k subscribers to over 1.2M subscribers. Acquired by the New York Times for $550M.

Airbnb

Data Science Lead

Airbnb

LinkedIn
2018 - 2019 · 1 yr

San Francisco Bay Area

Led product analytics for the Guest pillar (Growth & Core Product) of Airbnb's new Experiences business

Instagram

Senior Data Scientist, Growth

Instagram

LinkedIn
2016-5 - 2018-10 · 2 yrs 6 mos

Menlo Park, CA

Re-accelerated User growth (2x MAU to >1B in less than 2 years) by driving product changes through novel social network analysis, product analytics, experimentation (incl. network effects), machine learning, and advanced statistical modeling. Led overall social network analytics across the Instagram social graph and designed the underlying algorithms behind Instagram’s User recommender systems, business recommendation engines, and interest ranking.

Facebook

Data Scientist, Applied Machine Learning

Facebook

LinkedIn
2018 - 2018

Menlo Park, CA

As a member of Facebook’s core Applied Machine Learning (AML) team, worked on applied research for next generation artificial intelligence (AI) and applications for state-of-the art machine learning: bots/assistants, computer vision, deep learning, facial recognition, natural language processing (NLP), video transcription, translation etc. Led data science work on consumer hardware devices from Building 8, automatic speech recognition (ASR), language models, text-to-speech (TTS), voice interfaces, and development of AI tools to combat foreign election interference.

Castlight Health

Data Engineer

Castlight Health

LinkedIn
2015 - 2016 · 1 yr

San Francisco Bay Area

Architected v2 of core analytical data infrastructure, built on top of raw medical/pharmaceutical claims, insurance data, and application logs, which led to a 12x gain in warehouse efficiency. Developed prototypes for new predictive healthcare analytics product (“Castlight Action”) that delivered advanced detection of high risk pregnancies, diabetes, and back pain for early intervention and medical savings.

Upworthy

Machine Learning Engineer (Fellow)

Upworthy

LinkedIn
2013 - 2014 · 1 yr

Developed predictive models of content virality through machine learning methods. Indirectly responsible for at least 5-10% of internet clickbait ;)

dentsu

Quantitative Analyst (Paid Marketing)

dentsu

LinkedIn
2013 - 2014 · 1 yr

Toronto, Canada Area

Developed quantitative analyses, automated campaign optimization reporting, marketing mix / attribution models, and recommendations on marketing strategy through data-driven analytics for C-Level executives of top Fortune 500 Brands in the Automotive, CPG, Healthcare, Pharmaceutical, and QSR verticals. Brands worked on include: Acura, Benylin, Botox, Honda, KFC, Lindt, Pizza Hut, Philip Morris, & Tylenol

Education

University of California, Berkeley

University of California, Berkeley

LinkedIn

Data Science & Machine Learning

Data Engineering, Experiment Design, Machine Learning, Visualization

Ivey Business School at Western University

Ivey Business School at Western University

LinkedIn

Honours Business Administration

Design Thinking, Finance, Stochastic Modelling, Strategy

Western University

Western University

LinkedIn

Mechanical Engineering

Mechatronic Design, Production Management, Signal Processing, Space Systems

Ashbury College

Ashbury College

LinkedIn

IB Diploma

Alan Si's Contact Information

Email

******@***.com

Phone

(**) *** ****

Find the Right Leads
Find Verified Contact Data

Try with: Jensen Huang @ nvidia.com Click to autofill
LeadContact awards, five-star ratings, and GDPR compliance badges

What LeadContact does well

Find verified emails, phone numbers, and decision-makers with 98% accuracy.

Find Leads

Find Leads

Find the right people by company, role, industry, location, and more.

925M+ professional profiles

Find Leads
Find Emails

Find Emails

Access verified email addresses for your target contacts.

657M+ emails

Find Emails
Find Phone Numbers

Find Phone Numbers

Get cross-validated phone data from multiple top sources.

239M+ phone numbers

Find Phone Numbers

More Accurate. Lower Cost.

Find contact data in 1 tool with 98% accuracy

LeadContact integrates leading enrichment tools to deliver more accurate contact data—without paying for each one.

LeadContact Logo
Competitor Tools

All these = $289 per month

Great conversations start with the right contact.

It’s time to find yours.