The analyst behind the performance.

4.5 years turning ad budgets into measurable ROI — across Google, Bing, Meta, Amazon, LinkedIn, and Yahoo Japan, for brands that don’t settle for average.

Years of experience
0
Quarterly SEM budget managed
$ 0 M+
ROAS improvement achieved
0 x
CVR lift across brands
+ 0 %

Proven Results Across 4.5 Years

Quarterly SEM Budget
$ 0 M+

Google Ads, SA360 & Microsoft Ads

ROAS Improvement
0 x

Strategic budget & bid optimisation

CVR Improvement
+ 0 %

A/B tested copy & targeting

Global Regions
0

EMEA · APAC · NAM campaigns

sanjeeb-deb-my-journey

My Story

From curiosity to campaign mastery.

My journey into digital marketing started with a curiosity about how data-driven advertising directly influences business outcomes. That curiosity evolved into deep expertise in paid search across Google, Bing, Meta, LinkedIn, Amazon, and Yahoo Japan — and I’ve been obsessed with optimising every last metric ever since.

Over 4.5 years I’ve built and scaled campaigns for D2C startups and Fortune 500 companies alike, across EMEA, APAC, and NAM. At Assembly Global I manage a $6M quarterly SEM budget. At Qlikmatrix before that, I ran full-funnel global campaigns — Search, Shopping, Display, Video, and Performance Max — owning end-to-end strategy and execution.

"I don't just run ads. I build systems that compound — where every campaign teaches the next one how to win."

I’ve improved CVR by 55% for multiple brands through rigorous A/B testing, and achieved a 5.5× ROAS improvement through strategic budget allocation and smart bidding. I leverage SA360 to streamline cross-platform workflows and mentor SEM teams — because great performance starts with great process.

Core Values

How I work, and why it makes the difference

These aren’t buzzwords — they’re how I operate on every single engagement, every single day.

Results Over Vanity

Clicks and impressions are starting points — not success metrics. I obsess over revenue, leads, and profitability. Every decision traces back to the bottom line with clear KPI tracking: CTR, CVR, CPA, and ROAS.

Always Testing

Good enough is the enemy of great. I run structured A/B experiments on ad copy, bidding strategies, audience targeting, and landing pages — because the next 15% gain is always hiding somewhere.

Radical Transparency

You'll always know exactly what I'm doing and why. No hiding behind confusing dashboards — clear reporting in plain language, client QBRs with genuine strategic insight, zero fluff.

Scalability by Design

Every campaign I build is architected to scale. I leverage SA360 to streamline cross-platform workflows and reduce manual dependency so that when we grow budget, performance doesn't fall apart.

Experience

Career timeline

Oct 2024 — Present

Paid Search Analyst

Assembly Global

Managing a $6M quarterly SEM budget across EMEA, optimising campaigns across Google Ads, Search Ads 360, and Microsoft Advertising to improve CPA and ROAS. Executing continuous optimisation through bid strategy refinement, keyword targeting and ad copy improvements. Delivering actionable KPI insights (CTR, CVR, CPA, ROAS) and presenting performance at client QBRs. Conducting A/B testing across ad copy, bidding strategies and landing pages to identify high-performing variations.

Google AdsSearch Ads 360Microsoft AdsEMEABudget ForecastingA/B Testing
Oct 2021 — Oct 2024

Senior SEM Analyst

Qlikmatrix SEM & Analytics

Managed SEM campaigns across APAC, EMEA, and NAM regions using Google Ads and Microsoft Ads. Executed global campaigns across Search, Shopping, Display, Video, DGen and Performance Max. Leveraged SA360 to streamline campaign management and reduce platform dependency. Oversaw SEM activities for a Fortune 500 company, mentored a team of 2 SEM Executives, conducted account audits, and monitored spend to identify optimisation opportunities.

Performance MaxSA360Fortune 500APAC · NAMShoppingTeam Mentorship
Jun 2021 — Sep 2021

Social Media Intern

Sai Mehar Media LLP

Managed company social media accounts across Facebook, Instagram, LinkedIn & Twitter. Optimised Meta Ads campaigns and configured Pixel setup. Administered two WordPress-based websites, gaining a strong foundation in digital advertising platforms and performance tracking.

Meta AdsSocial MediaPixel SetupWordPress

Certifications

Certified & always learning

I hold all major platform credentials and stay ahead of algorithm changes so my clients never fall behind. Certifications are the floor, not the ceiling.

Google Ads Search

Google · Certified

Google Ads Search

Google · Certified

Google Ads Search

Google · Certified

Google Ads Search

Google · Certified

Google Ads Search

Google · Certified

Google Ads Search

Google · Certified

Google Ads Search

Google · Certified

Google Ads Search

Google · Certified

Proficiency

Skills breakdown

Google Ads (Search)96%
Search Ads 360 (SA360)90%
Performance Max90%
GA4 & Conversion Tracking88%
Microsoft Ads (Bing)85%
Meta Ads80%
Data Analysis & Reporting88%

My Stack

Tools I use every day

The platforms and tools I rely on to plan, execute, and optimise campaigns at scale.

Google Ads Search

Google · Certified

Bing Ads

Paid Search

Meta Ads

Social Ads

Amazon Search Ads

Retail Media

LinkedIn Ads

B2B Advertising

Yahoo Japan Ads

Paid Search

Search Ads 360

Campaign Mgmt

Google Analytics 4

Analytics

Google Tag Manager

Tracking

Advanced Excel

Data Analysis

Google Merchant Center

Shopping Feed

ChatGPT / AI Tools

Copy & Ideation

Ready to scale your ads and grow revenue?

Let’s build a paid media strategy that actually delivers. No fluff, no retainer lock-ins — just results.

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