Portrait of Mirella Crespi

Mirella Crespi

Mirella Crespi

Mirella Crespi

Founder & Chief Growth Officer

Founder & Chief Growth Officer

TEAM

Growth

COMPANY

Creative Milkshake

BASED IN

Global

Mirella founded Creative Milkshake and now leads growth across the Fieldtrip group. She has spent over a decade where performance creative and paid media meet, building the systems that turn creative supply into media performance for brands scaling on Meta, TikTok, and beyond. She writes for senior marketers about what actually moves the number: creative velocity, measurement that holds up, and the operational speed that separates good campaigns from scaled ones.

Areas of expertise

Performance creative, paid social, creator-led campaigns, demand generation, growth strategy, measurement

Articles by

Articles by

Mirella Crespi

Mirella Crespi

8 Best Agencies for TikTok Performance Marketing in 2026

8 Best Agencies for TikTok Performance Marketing in 2026

Listicles & Rankings

·

16 min

10 Best Performance Creative Agencies in Europe for Scalable Growth in 2026

10 Best Performance Creative Agencies in Europe for Scalable Growth in 2026

Listicles & Rankings

·

16 min

10 Best UGC Agencies in the UK

10 Best UGC Agencies in the UK - Top Picks for 2026

Listicles & Rankings

·

15 min

Top TikTok Shop Advertising Agencies_ Expert Picks & Rankings

11 Best TikTok Shop Advertising Agencies: Expert Rankings for 2026

Listicles & Rankings

·

15 min

11+ Different Types of Media Buying

11+ Different Types of Media Buying to Consider in 2026

Paid Social & Performance Marketing

·

16 min

Best Health & Wellness Marketing Agencies

12 Health & Wellness Marketing Agencies in the US We’d Actually Recommend

Listicles & Rankings

·

16 min

Best TikTok Agencies for Brand Growth

13 Best TikTok Agencies for Brand Growth in 2026

Listicles & Rankings

·

15 min

Best 15 B2B Influencer Marketing Agencies for Lead Generation

15 Best B2B Influencer Marketing Agencies Driving Lead Generation in 2026

Listicles & Rankings

·

20 min

Best Beauty Marketing Agencies

2026 Beauty Marketing Agency Report: The Top 10 Partners

Listicles & Rankings

·

15 min

Ad Creative Testing: Methods & Best Practices

Ad Creative Testing: Methods & Best Practices

Marketing Strategy

·

12 min

AI UGC Ads_ When They Work (And When They Don't)

AI UGC Ads Explained: When They Work, When They Fail, and How to Test Them Safely

Industry Insights

·

12 min

Top TikTok Advertising Agencies in Europe

Best 12 TikTok Advertising Agencies in Europe (2026 Guide)

Listicles & Rankings

·

16 min

Top Fintech Marketing Agencies

Best 17 Fintech Marketing Agencies in 2026 - Award-Winning Creative Leaders

Listicles & Rankings

·

18 min

Leading Meta Ads Agencies in the UK

Best Meta Ads Agencies in the UK (2026) | Ranked by Performance

Listicles & Rankings

·

12 min

Best Meta Ads Agencies in the U.S.

Best Meta Ads Agencies in the US - Top Picks for 2026

Listicles & Rankings

·

16 min

How to Run Paid Social Ads That Convert

How to Run Paid Social Ads That Convert (Step-by-Step)

Paid Social & Performance Marketing

·

19 min

How to Scale Ads with UGC: The Performance Creative Playbook

How to Scale Ads with UGC: The Performance Creative Playbook

Paid Social & Performance Marketing

·

16 min

How to Scale Facebook Ads Without Killing Performance

How to Scale Facebook Ads Without Killing Performance

Paid Social & Performance Marketing

·

12 min

How to Scale Paid Social Without Increasing CPA

How to Scale Paid Social Without Killing Your CPA: 7 Proven Ways

Paid Social & Performance Marketing

·

12 min

Incrementality Testing for Paid Social

Incrementality Testing for Paid Social: A Practical Guide to Proving Lift

Paid Social & Performance Marketing

·

12 min

Influencer Whitelisting_ A Complete Guide for Performance Brands

Influencer Whitelisting Guide: How Performance Brands Turn Creators Into Ads

Marketing Strategy

·

14 min

Meta Ads best practices for 2026

Meta Ads Best Practices 2026: What's Working Right Now

Paid Social & Performance Marketing

·

15 min

Running Paid Social Campaigns for Fintech Brands

Paid Social for Fintech: What Works, What Doesn’t + 9 Steps to Run Social Ads

Paid Social & Performance Marketing

·

14 min

Creative Strategies for High-Trust Industries

Paid Social Strategies for High-Trust Industries in 2026

Paid Social & Performance Marketing

·

16 min

SaaS Paid Social Framework How to Structure Campaigns That Actually Convert

SaaS Paid Social Framework: How to Structure Campaigns That Actually Convert

Paid Social & Performance Marketing

·

16 min

Spark Ads Explained_ How to Use Them for TikTok Performance

The Complete Guide to Using TikTok Spark Ads for Paid Performance

Paid Social & Performance Marketing

·

14 min

The Only Ad Optimization Cheat Sheet You Need in 2026

The Only Ad Optimization Cheat Sheet You Need in 2026

Industry Insights

·

12 min

The Ultimate Creative Testing Framework for Performance Ads

The Ultimate 9-Step Creative Testing Framework for Performance Ads

Paid Social & Performance Marketing

·

14 min

TikTok Ad Strategy: What Actually Works in 2026

TikTok Ad Strategy: What Actually Works in 2026

Marketing Strategy

·

14 min

Best TikTok Agencies in London

Top 10 London TikTok Agencies Helping Brands Win in 2026

Listicles & Rankings

·

14 min

Top Performance Marketing Agencies in the US

Top 12 US Performance Marketing Agencies Turning Ad Spend into Revenue in 2026

Listicles & Rankings

·

16 min

Top UGC Ad Agencies in Europe

UGC Ad Agencies in Europe: 10 Best Partners for Scalable Paid Social Growth in 2026

Listicles & Rankings

·

15 min

UGC vs. Influencer Marketing_ Core Differences and When to Use Each

UGC vs Influencer Marketing: Key Differences & When to Use Each [+FREE Quiz]

Industry Insights

·

14 min

A woman holding an open notebook in front of her face against a lime green background, the cover image for the Creative Milkshake guide to brand lift studies.

What Is a Brand Lift Study (And When It's Worth Running One)

Paid Social & Performance Marketing

·

15 min

Why Most Brands Fail at Creative Testing (and How to Fix It)

Why Most Brands Fail at Creative Testing (and How to Fix It)

Industry Insights

·

15 min

Why Most SaaS Ads Fail to Convert (and How to Fix Them)

Why Most SaaS Ads Don’t Convert (And How to Fix Them)

Industry Insights

·

18 min

We create data-driven ads that convert, and that’s just the start.

Stay up to date with industry insights and trends.

9490-4943 Québec inc DBA Creative Milkshake • © All Rights Reserved

We create data-driven ads that convert, and that’s just the start.

Stay up to date with industry insights and trends.

9490-4943 Québec inc DBA Creative Milkshake • © All Rights Reserved

We create data-driven ads that convert, and that’s just the start.

Stay up to date with industry insights and trends.

9490-4943 Québec inc DBA Creative Milkshake • © All Rights Reserved