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I am a highly analytical and strategic SEM Specialist with 14+ years of marketing experience, including 5 years directly managing PPC/SEM campaigns. I focus on delivering data-driven results and building strong client relationships, particularly in E-commerce, DTC, and Healthcare. My background as a Brand Manager and Marketing & Sales Manager, combined with my role as a Google Ads freelancer and agency founder, offers a unique blend of expertise. I have led digital marketing teams, sharpening leadership and strategic planning abilities. Fluent in Spanish and English, with native Ukrainian and reading proficiency in German, I bring an international perspective to campaign management. I am passionate about turning complex data into actionable insights and empowering teams to achieve measurable growth. I thrive in fast-paced environments, collaborate across cross-functional teams, and continually optimize campaigns for ROI while maintaining strong client satisfaction.…I am a highly analytical and strategic SEM Specialist with 14+ years of marketing experience, including 5 years directly managing PPC/SEM campaigns. I focus on delivering data-driven results and building strong client relationships, particularly in E-commerce, DTC, and Healthcare. My background as a Brand Manager and Marketing & Sales Manager, combined with my role as a Google Ads freelancer and agency founder, offers a unique blend of expertise. I have led digital marketing teams, sharpening leadership and strategic planning abilities. Fluent in Spanish and English, with native Ukrainian and reading proficiency in German, I bring an international perspective to campaign management. I am passionate about turning complex data into actionable insights and empowering teams to achieve measurable growth. I thrive in fast-paced environments, collaborate across cross-functional teams, and continually optimize campaigns for ROI while maintaining strong client satisfaction.

Oksana Didenko

PPC Manager, Digital Marketer, Growth Marketer, +5

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I am a highly analytical and strategic SEM Specialist with 14+ years of marketing experience, including 5 years directly managing PPC/SEM campaigns. I focus on delivering data-driven results and building strong client relationships, particularly in E-commerce, DTC, and Healthcare. My background as a Brand Manager and Marketing & Sales Manager, combined with my role as a Google Ads freelancer and agency founder, offers a unique blend of expertise. I have led digital marketing teams, sharpening leadership and strategic planning abilities. Fluent in Spanish and English, with native Ukrainian and reading proficiency in German, I bring an international perspective to campaign management. I am passionate about turning complex data into actionable insights and empowering teams to achieve measurable growth. I thrive in fast-paced environments, collaborate across cross-functional teams, and continually optimize campaigns for ROI while maintaining strong client satisfaction.…I am a highly analytical and strategic SEM Specialist with 14+ years of marketing experience, including 5 years directly managing PPC/SEM campaigns. I focus on delivering data-driven results and building strong client relationships, particularly in E-commerce, DTC, and Healthcare. My background as a Brand Manager and Marketing & Sales Manager, combined with my role as a Google Ads freelancer and agency founder, offers a unique blend of expertise. I have led digital marketing teams, sharpening leadership and strategic planning abilities. Fluent in Spanish and English, with native Ukrainian and reading proficiency in German, I bring an international perspective to campaign management. I am passionate about turning complex data into actionable insights and empowering teams to achieve measurable growth. I thrive in fast-paced environments, collaborate across cross-functional teams, and continually optimize campaigns for ROI while maintaining strong client satisfaction.

Available to hire

I am a highly analytical and strategic SEM Specialist with 14+ years of marketing experience, including 5 years directly managing PPC/SEM campaigns. I focus on delivering data-driven results and building strong client relationships, particularly in E-commerce, DTC, and Healthcare. My background as a Brand Manager and Marketing & Sales Manager, combined with my role as a Google Ads freelancer and agency founder, offers a unique blend of expertise. I have led digital marketing teams, sharpening leadership and strategic planning abilities. Fluent in Spanish and English, with native Ukrainian and reading proficiency in German, I bring an international perspective to campaign management.

I am passionate about turning complex data into actionable insights and empowering teams to achieve measurable growth. I thrive in fast-paced environments, collaborate across cross-functional teams, and continually optimize campaigns for ROI while maintaining strong client satisfaction.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Spanish; Castilian

Fluent

Ukrainian

Fluent

Russian

Advanced

German

Intermediate

Work Experience

PPC/SEM Manager & Founder at Main Brain.Tech (formerly Didenko Marketing)

June 1, 2020 - Present

Delivers impactful full-funnel Google Ads campaigns across Germany, Spain, the UK, and the USA; manages budgets > €100k monthly; identifies client needs and opportunities, develops tailored proposals, and builds robust client relationships; provides qualitative and quantitative analysis of campaigns, translating data into actionable insights; oversees a marketing team and provides mentorship to junior SEM specialists; leads digital marketing campaigns including SEO and SEM strategies and website development.

Project Manager at Business Mission, Digital Marketing Agency

January 1, 2020 - October 3, 2025

Oversaw project delivery for digital marketing initiatives, coordinating cross-functional teams to implement data-driven strategies and campaigns.

Sales and Marketing Manager at Herbal Formula

January 1, 2018 - October 3, 2025

Managed sales and marketing activities for a retail chain, driving growth through strategic marketing initiatives.

Brand Manager at VT Holding

January 1, 2016 - October 3, 2025

Led brand management activities to strengthen market presence and drive brand performance.

Marketing and PR Specialist at Aquarius Fitness & Wellness Centre

January 1, 2013 - October 3, 2025

Handled marketing and PR responsibilities to promote fitness and wellness services.

Sales and Marketing Manager at Herbal Formula

January 1, 2020 - October 3, 2025

Led sales and marketing initiatives for Herbal Formula, a retail chain, in Kyiv, Ukraine. Responsible for developing growth strategies, overseeing digital campaigns (including PPC/SEM), brand communications, and cross-functional collaboration to drive revenue and market share.

Brand Manager at VT Holding

January 1, 2018 - October 3, 2025

Managed brand strategy, marketing communications, and product positioning for VT Holding in Kyiv, enhancing brand awareness and supporting go-to-market efforts across markets.

Marketing and PR Specialist at Aquarium fitness and wellness centre

January 1, 2013 - October 3, 2025

Implemented marketing and PR activities to promote fitness and wellness services, coordinating campaigns and events to boost client engagement and brand visibility in Kyiv, Ukraine.

Sales and Marketing Manager at Herbal Formula, a retail chain

December 31, 2018 - October 8, 2025

Led sales and marketing initiatives across markets including Ukraine, Germany, and the UK. Achieved significant results in eCommerce and retail campaigns, including multi-market expansion and channel optimization.

Brand Manager at VT Holding

December 31, 2016 - October 8, 2025

Focused on brand development and market positioning within Ukraine, driving growth and brand equity.

Marketing and PR Specialist at Aquarium fitness and wellness center

December 31, 2013 - October 8, 2025

Managed marketing and PR activities to promote fitness and wellness offerings in Kyiv, Ukraine.

Education

Master in Marketing and Sales Management at UPC Barcelona, Spain

January 1, 2013 - January 1, 2014

Master in Economics at ISU Kyiv, Ukraine

January 1, 2004 - January 1, 2009

SEO course at WebEscuela

January 1, 2019 - January 1, 2019

Google Ads course at WebEscuela

January 1, 2019 - January 1, 2019

Sustainable Leadership Training at Hamburg School of Business Administration

January 1, 2023 - October 3, 2025

Master in Marketing and Sales Management at UPC Barcelona, Spain

January 1, 2013 - January 1, 2014

Master in Economics at ISU Kyiv, Ukraine

January 1, 2004 - January 1, 2009

SEO course at WebEscuela

January 1, 2019 - January 1, 2019

Google Ads course at WebEscuela

January 1, 2019 - January 1, 2019

Training: Sustainable Leadership as a Path to a Successful Business at Hamburg School of Business Administration

January 1, 2023 - January 1, 2023

Master in Marketing and Sales Management at UPC Barcelona, Spain

January 1, 2013 - December 31, 2014

Master in Economics at ISU Kyiv, Ukraine

January 1, 2004 - December 31, 2009

SEO course at WebEscuela

January 1, 2019 - December 31, 2019

Google Ads course at WebEscuela

January 1, 2019 - December 31, 2019

Sustainable Leadership Training: A Path to a Successful Business at Hamburg School of Business Administration

January 1, 2023 - January 1, 2023