REY SINDAYEN

Startup Founder & Growth Consultant

I'm a full-stack growth strategist currently building ventures in healthtech & medical travel and helping companies find better paths from product to market to revenue.

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AI B2B SAAS HEALTHCARE REGENERATIVE MEDICINE LAW & LEGAL PRIVATE EDUCATION REAL ESTATE LOCAL BUSINESS SERVICE-BASED

10,000+

Leads Generated

$500K+

Ad Spend Managed

30+

Businesses Helped

Industries & Niches

Methodology & Systems-First Thesis

How I design the mechanics of a
growth engine.

Growth is rarely a single-channel problem. It's a systems problem. Demand feeds conversion, conversion feeds revenue, and each stage affects the next. I find the constraint, diagnose the cause, and strengthen what unlocks more throughput.

Find the constraint → Fix the bottleneck → Reinforce the system → Increase throughput → Measure & repeat

Featured Projects & Case Studies

Building ventures.
Solving for growth.
Scaling brands globally.

Some of my work spans healthcare, law & legal, AI, B2B SaaS, private education, real estate, and local and service-based businesses across different markets, business models, and stages of growth.

International Patient Navigation & Medical Concierge Platform

Building a carefully selected international network of regenerative medicine providers while developing a global pricing intelligence dataset to make premium cross-border treatment options easier to access and compare. At this early stage, the platform has reviewed 100+ qualified cases and analyzed 700+ pricing records across 10+ countries.

100+Qualified Cases
Reviewed

700+Pricing Records
Analyzed

10+Countries
Benchmarked

Editorial visual representing international regenerative medicine research and clinic intelligence

Bilingual Lead Generation for US-Based Law Firms

Built and scaled bilingual personal injury lead generation for English- and Spanish-speaking audiences, generating 5,000+ tracked leads and $490K+ in attributable revenue. This included paid acquisition, qualification, routing, monetization, creative testing, funnel optimization, and speed-to-lead, all focused on improving lead quality and return on ad spend.

5,000+Tracked Leads
Generated

$490K+Attributable
Revenue

EN + ESBilingual
Campaigns

Editorial visual representing legal lead generation and case intake

Scaling a Generative AI Monetization Tool for Creators

Helped scale an AI-native SaaS from under $10K to $50K MRR across multi-channel acquisition, content, partnerships, and recruiting. This included paid campaigns, organic social, influencer collaborations, growth strategy, and hiring, generating 7,800+ new users and 900+ attributed first purchases, in addition to recurring subscriptions and customer LTV.

5×Monthly Recurring
Revenue Growth (MRR)

7,800+New Users
Acquired

900+Attributed User
Purchases

Editorial visual representing a generative AI creator monetization product and campaign analytics — CAMPAIGN PERFORMANCE

B2B SaaS Growth for Sports & Activity Businesses

Worked across growth, business development, and customer acquisition for a vertical B2B SaaS platform serving local businesses. Prospected 1,000+ businesses through a mix of cold outreach and paid acquisition, helping onboard 50+ businesses, with paid campaigns generating 90+ attributable partner applications at under $20 per completed application.

50+Businesses
Onboarded

1,000+Businesses
Prospected

<$20Cost per Completed
Application

Editorial visual representing B2B SaaS for sports and activity businesses

Enrollment & Talent Acquisition for Private Education

Worked across paid acquisition, organic content, enrollment marketing, and recruitment for a private international Montessori education provider. Built and promoted acquisition funnels supporting both student enrollment and staff hiring, capturing more than 500 unique applications across enrollment and recruitment campaigns.

500+Total
Applications

170+Enrollment
Applications

340+Candidate
Applications

Editorial visual representing school enrollment and recruitment acquisition systems

Cross-functional Growth Architecture

Strategy is more useful when you know how to operate the machinery.

Solving for growth means identifying the right business problem, not just doing more marketing. I diagnose the real bottleneck, fix upstream before adding volume, then reinforce the system so each improvement compounds.

Growth Strategy

PositioningOffer StrategyGrowth Systems

Paid Acquisition

Meta AdsGoogle AdsPerformance Marketing

SEO, AEO & GEO

Search ArchitectureOn-Page SEOOrganic Growth

Content & Distribution

EditorialShort-FormDistribution

Design & Branding

Brand IdentityVisual DirectionCreative Systems

Funnels & CRO

Landing PagesCustomer JourneysOptimization

CRM & Lifecycle

Lead ManagementNurtureLifecycle Marketing

Analytics & Experimentation

TrackingAttributionPerformance Analysis

Automation & Systems

Ops DesignWorkflow AutomationInfrastructure

Sales Systems

QualificationPipelineSales Conversion

Collaboration Perspectives

Feedback from founders and executives.

I’ve been lucky to work with exceptional founders & executives across multiple industries and businesses. Here are a few words from them.

Rey is an outstanding partner and a true team player, with deep expertise in cutting-edge AI tools, combining creativity with a strong analytical approach.

VicFounder, AI Venture Studio

Generated hundreds of high-quality leads, with Rey helping turn that demand into a real sales pipeline. He brought reliability, drive, creativity, and a clear focus on results.

DaliaDirector, Tech Recruitment Company

Across our entire marketing stack, Rey played a key role in our strategy, paid media, social content, tracking, and website, often going beyond his scope with additional creative work.

PaulExecutive, Regenerative Medicine Clinic

AI-Enabled International Healthcare

Building the growth infrastructure behind regenerative medicine.

Harvard Medical SchoolStem Cell Medicine:
Scientific Research & Patient Care

International Society for Stem Cell ResearchISSCR Course Curriculum

Stanford University OnlineWriting in the Sciences

Talent Garden ViennaGrowth Specialist Certified

01 / Building

Global Patient Infrastructure

I'm applying my growth background to building a global patient platform in regenerative medicine, with a focus on better information, patient navigation, technology, and commercial systems.

02 / Learning

Deeper Scientific Context

I'm continuing my education in stem cell medicine through Harvard Medical School and ISSCR-developed curriculum, while strengthening my scientific writing through Stanford University Online.

03 / Exploring

Healthcare Growth Systems

I'm increasingly focused on regenerative medicine, international healthcare, and how emerging treatments can be brought to global markets responsibly through better growth systems.

About Rey Sindayen

The path was never linear.
But the pattern eventually emerged.

Born in the Philippines and raised in Italy by immigrant parents, I grew up between cultures and gradually chose a less conventional path.

I dropped out of college and continued learning through travel, work, self-study, and experiences that repeatedly placed me in unfamiliar environments.

I've always been drawn to experiences that push me outside my comfort zone, from exploring new places and cultures to physical and mental challenges that force me to adapt.

That curiosity extends to science, health, fitness, martial arts, psychology, and mindset, areas I continue exploring to better understand resilience and personal development.

Global by Default

Exploring different countries, cultures, and markets has shaped how I understand people, communication, decision-making, and business itself.

8+Years Nomadic

7+Countries Lived In

3Continents

5Languages

EnglishC2

ItalianC2

TagalogC1

SpanishB1

FrenchA2

The Journey So Far

The dots only made sense in retrospect.

Entrepreneurship and emerging markets have long fascinated me, especially the challenge of turning ideas into something valuable and real.

Years on the road, picking up odd jobs and working with businesses in different places, gradually led me into digital marketing, agency projects, teaching workshops, and more complex business challenges.

Over time, my interest shifted from individual marketing tactics to the bigger picture: what makes businesses grow, where they get stuck, and how their moving parts influence one another.

That perspective now shapes the ventures I'm building, the collaborations I pursue, and the challenges I take on.

I continue learning deliberately, refining how I approach business, marketing, sales, and execution.

Rapid Prototyping

Early Experiments

My earliest building phase was with LEGO bricks as a child. During college, I launched projects, competed in pitch battles, won a few awards, and learned to turn rough ideas into working prototypes.

Call to Adventure

Life on the Road

I took to the road across Europe, picking up odd jobs, working directly with businesses, and embracing new opportunities along the way. Travel became as much an education as the work itself.

Rey speaking to clients and business audiences

Hands-On Experience

Clients & Agencies

I've always taken on almost any project or opportunity. Those experiences broadened my hands-on skills and perspective as I worked with businesses across different countries & industries.

Sharing Knowledge

Teaching Workshops

I've always enjoyed sharing what I've learned about business and marketing. That led me to teach practical digital marketing workshops to students undertaking internships.

Talent Garden Vienna

Expanding the Toolkit

After years of learning by doing, Talent Garden's Growth Specialization helped me bring more structure to marketing, experimentation, and business growth.

Rey presenting growth strategy to an audience

Systems Thinking

Hacking Growth

My work gradually evolved beyond individual marketing channels into broader growth challenges, with a more holistic perspective on the different systems that drive business results.

Rey presenting a venture project on stage

Entrepreneurship

Building Ventures

Today, I'm applying that cross-functional experience to ventures of my own, while continuing to selectively support projects and businesses with interesting marketing and growth challenges.

Perspectives Beyond the Work

I've always been drawn to adventures.

Some of the experiences that shaped me most have had very little to do with work. These are a few of the ones I remember most. If any of this resonates, there's a good chance we'll get along.

875 KM · 33 DAYS

Walking Northern Spain

I set off alone with little preparation and everything I needed on my back, walking the Camino from the Pyrenees, across northern Spain, all the way to the Atlantic.

MEDITERRANEAN → BALTIC SEA

Hitchhiking Across Europe

I wanted to see how far I could get by approaching strangers for rides. Starting on Italy's Mediterranean coast, I hitchhiked north across Europe until I reached the Baltic Sea in Poland.

NORTHERN FRANCE → AFRICA

Normandy to the Sahara

Starting in Normandy, I headed south through Europe and into North Africa by road and ferry, picking up odd jobs along the way before eventually reaching the Sahara Desert.

444 DAYS · CANARY ISLANDS

Over a Year in Tenerife

Tenerife was meant to be another stop. Instead, it became 444 days of building a life on a volcanic island, working remotely, and developing my craft in digital marketing.

6 MONTHS · 5 COUNTRIES

Balkan Lockdown Escape

What started as a way to escape the pandemic turned into six months exploring the Balkans by road, adapting to changing restrictions while continuing to work remotely along the way.

THAILAND · MARTIAL ARTS

Living in a Thai Fight Camp

I originally came to Thailand to train Muay Thai, but ended up discovering Brazilian Jiu-Jitsu. It changed my life, shaping my mindset & teaching me lessons that extend beyond the mats.

Connect with Rey

Let's work on
something exceptional.

I work selectively with founders, teams, and businesses on growth, new ventures, partnerships, interesting projects, and ambitious ideas.