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Lucas Fernandes

@lucasfernandes1

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Senior Product Manager at Yubo, improving activation and retention by 20% with an ML-powered recommendation engine.

Germany

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At Yubo, I lead activation and the ML-powered recommendation engine for a consumer social app. I defined the activation metric with analytics and improved retention and engagement by 20%.

At Adobe, I launched and monetized the Acrobat AI Assistant across six languages. I led 500+ A/B tests across B2C funnels, delivering $60M+ in gross new ARR.

At MOSTLY AI, I shipped guided onboarding and data previews and redesigned the core engine to reduce time-to-value. Activation increased by 25% over six months.

At Mode Mobile, I founded the Growth team and built a product-led roadmap focused on activation and engagement. I’ve also taken products from scratch to launch at Gringo and MOSTLY AI, using user research and usability testing to validate journeys.

Experience

Work history, roles, and key accomplishments

Current

Senior Product Manager, Activation & Recommendation

Current

Yubo

Jun 2026 - Present (4 months)

Defined the activation metric and improved retention and engagement by 20% by optimizing early activation and the ML-powered recommendation engine. Led a cross-functional squad of engineers, designers, and analysts.

Activation ML Recommendations Product Analytics User Research Experimentation Roadmapping Cross functional Leadership

Growth Product Manager, B2C Growth, Acrobat / Document Cloud

Adobe

Jun 2024 - May 2026 (1 year 11 months)

Launched and monetized the Acrobat AI Assistant across six languages, leading 500+ A/B tests that delivered $60M+ in gross new ARR. Owned international B2C experimentation and monetization strategy for Document Cloud.

Generative AI A B Testing Monetization Experimentation International Growth Go To Market Product Management

Growth Product Manager, B2B SaaS / AI

MOSTLY AI

May 2023 - Mar 2024 (10 months)

First growth hire who moved the AI product from sales-led growth to product-led sales. Shipped guided onboarding and data previews, increasing activation by 25% and generating 300 product-qualified leads.

Product Led Growth Onboarding Activation B2B SaaS AI Product Management

Growth Product Manager

Mode Mobile

Jun 2022 - Mar 2023 (9 months)

Founded the Growth team and built a product-led roadmap focused on activation and engagement. Increased activation by 32%, improved retention by 20%, and grew ARPDAU and LTV by 25%.

Growth Strategy Activation Retention Experimentation Product Management Team Leadership

Senior Growth & Product Specialist

Mode Mobile

Feb 2022 - Jun 2022 (4 months)

Built a 5-year revenue and cohort retention prediction model with 95% accuracy. Introduced high-tempo testing, growth loops, and funnel dashboards, and led persona development using 100k+ users.

predictive modeling Cohort Analysis Growth Loops Funnel Analytics Persona Development Experimentation

Growth & Product Specialist

Mode Mobile

Feb 2021 - Feb 2022 (1 year)

Ran 100+ experiments, managed $20M+ in user acquisition spend, and built an internal LTV engine. Contributed to 20x revenue growth and scaled the app to 500k global monthly active users.

Experimentation User Acquisition LTV Modeling Growth Strategy Mobile Apps

Growth Manager

ElevenYellow

Jul 2020 - Feb 2021 (7 months)

Owned growth strategy, CRO, and performance marketing, and led the Brazil product go-to-market. Achieved 300% MRR growth in 3 months.

Growth Strategy CRO Performance Marketing Go To Market MRR Growth

Growth Manager

Remessa Online

Jan 2020 - Jul 2020 (6 months)

Increased paid acquisitions by 465%, reduced CAC by 35%, and managed $2M+ in acquisition initiatives.

Paid Acquisition CAC Reduction Performance Marketing Fintech

Interim Head of Growth

Gringo

Sep 2019 - Jan 2020 (4 months)

Improved consumer app activation from 17.3% to 48.5% in the first iteration. Ran 80+ user interviews and acquired 7k users in the first 8 weeks after launch.

Activation User Research Product Market Fit Growth Strategy Mobile Apps

Senior Growth Lead

Midhaz

May 2019 - Sep 2019 (4 months)

Increased Google Ads ROAS from 0.95 to 2.2 in 3 months and mentored two junior analysts.

Google Ads ROAS optimization Mentorship Growth Strategy

Growth Marketing Analyst, Technical Lead

Somos Educacao

May 2017 - Sep 2019 (2 years 4 months)

First growth hire who scaled the function into a 10+ person team. Delivered 947% revenue growth from Jun to Dec 2017.

Growth Marketing Team Building Revenue Growth Education

Education

Degrees, certifications, and relevant coursework

Federal University of Minas Gerais (UFMG)

Civil Engineering, Civil Engineering

2014 - 2017

Studied Civil Engineering from 2014 to 2017, incomplete.

Anthropic Academy

Claude courses, Artificial Intelligence

Completed Claude courses.

Reforge

AI-Assisted Prototyping, Product Management

Completed multiple programs including AI-Assisted Prototyping, Product-Led Growth, Experimentation & Testing, Mastering Product Management, Advanced Growth Strategy, and Growth Series.