GM, Marketing Agency

30 Years of Experience

Chris has decades of marketing experience. He has served as a president and general manager, CMO, Bain & Company strategist, board director, and Professor of Marketing at University of Chicago Booth School of Business.

Previously At

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Marketing Agency/

Marketing Strategy and Operations/

Martech Services

Martech Services – Leverage Technology to Drive Growth

Harness the full potential of marketing technology with Toptal’s comprehensive marketing technology services. From strategic planning to implementation and ongoing optimization, our team helps you define and optimize your architecture and tech stack to drive growth across all channels.

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Clients Served

25,000+

Total Vetted Professionals

20,000+

Toptal Total Projects Delivered

64,000+

Industries Served

300+

TRUSTED BY LEADING BRANDS

Our Services

Toptal Martech Services

Unlock the potential of marketing technology with Toptal’s Martech Services. From strategy development to seamless integration, our team helps you enhance tools and processes to optimize marketing performance and achieve your goals.

Martech Assessment and Optimization

Evaluate and enhance your martech platforms to fine-tune performance and drive smarter marketing decisions.

Martech Stack Consulting

Access specialized guidance to configure a tech stack that makes the most of your marketing strategies and improves ROI for every channel.

AI-powered Tools

Implement AI tools to facilitate efficient analysis, deliver relevant content, and troubleshoot customer journeys.

Marketing Automation Tools

Streamline campaigns with automation tools that enhance targeting, engagement, and efficiency across channels.

Martech Solutions Architecture

Design a scalable, integrated marketing technology ecosystem that enhances efficiency, automation, and data-driven decision-making.

Martech Operations and Support

Maintain seamless marketing operations with centralized communications and ongoing martech platform support.

Adtech Integration for Paid Campaigns

Integrate adtech tools with martech platforms to strengthen advertising efforts and boost ROI.

Reporting and Data Visualization Tools

Transform raw marketing data into actionable insights with customized reports and interactive dashboards for smarter decision-making.

E-commerce Platform Integration

Link your e-commerce platform to marketing clouds for personalized digital experiences and seamless tech stack alignment.

Advanced Martech Planning and Guidance

Receive strategic guidance on how to best align your martech strategy with industry standards and growth goals.

Customer Data Services

Collect, integrate, and activate first-party data to improve personalization and marketing performance.

Tech Stack Integration Services

Seamlessly connect your marketing platforms, applications, and tools to improve data flow, automation, and overall efficiency.

Looking for guidance about the perfect martech services for your needs?

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PARTNERSHIP THAT WORKS

How We Deliver Martech Services

Our martech experts, with experience at leading companies, develop and deploy tailored solutions to meet your business needs and unique industry demands for sustainable results and long-term success.

Discover

A leader from our team assesses your business challenges, identifies opportunities, and recommends the most suitable engagement model.

Define

A Toptal leader will work with you to define your goals and service needs – from full end-to-end delivery to consulting services.

Develop

Once your service is defined and you have your talent or team on board, they will create your unique project timeline, process, and initial proposals, whether you’re developing your martech strategy or modernizing your tech stack.

Deploy

Toptal will get to work, tracking quality assurance, handling project management, and maintaining the delivery schedule.

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Chris Krohn

GM, Marketing Agency

As GM of Toptal’s Marketing Agency, Chris empowers clients with marketing talent, consulting, and agency services. Prior to joining Toptal, he served as CMO and General Manager at Restaurant.com, CarParts.com and Sears Holdings, where he managed a $700M multichannel P&L. Earlier in his career, Chris advised leading companies on business strategy, technology, and operations as a consultant with Accenture and Bain & Company. He holds a BA from Northwestern University, where he was also an instructor of computer science, and an MBA from the University of Chicago Booth School of Business, where he is currently an adjunct professor of marketing.

Previously At

CUSTOMIZED SOLUTIONS

End-to-End Martech Services That Deliver Value

Toptal delivers leading martech services through its diverse talent network and flexible delivery models. We implement the right skills at each project phase, blending expertise from various roles for seamless execution.

Managed Delivery by Toptal
On-demand Talent & Teams

Managed Delivery by Toptal

End-to-end project delivery per your specific requirements

GM, Marketing Agency

Delivery Manager

Martech Solutions Architect

Martech Product Manager

Martech Developer

Full-stack Developer

Integration Expert

Martech Expert

Chris Krohn

GM, Marketing Agency

Previously at

Experience

30+ Years

Rachael Karaffa

Delivery Manager

Rachael serves as a Delivery Manager at Toptal with a focus on leading diverse global teams in developing innovative solutions for our clients. She works across multiple disciplines, including technology, marketing, and management consulting. Rachael specializes in managing people and client relationships, process optimization, and driving teams toward optimal business outcomes.

Previously Managed Client

Experience

9+ Years

Katrina Ward

Verified Expert in Marketing

11+ Years

of Experience

Martech Solutions Architect

Katrina is an experienced marketing expert with a deep understanding of complex martech stacks, having led the overhaul of digital experiences and the launch of customer-focused marketplaces. With extensive agency and client-side experience, this flexible marketer is an outstanding addition to any organization and excels in various roles, from content management to executive leadership. Katrina teaches digital marketing courses to MBA students and is passionate about protecting user data.

Previously at

Andy Shanks

Verified Expert in Product Management

19+ Years

of Experience

Martech Product Manager

Andy has been collaborating with visionary and creative teams to make ideas happen for more than 19 years. He has launched a DJ brand at Pro-Audio, worked in digital advertising as a project manager, at Google as a producer, at Red Bull as a digital manager, and founded a digital product design studio. He has guided more than 100 web, mobile, and IoT projects, and specializes in designing and delivering against strategic MVP roadmaps to validate ideas.

Previously at

Adam Ivansky

Verified Expert in Engineering

12+ Years

of Experience

Martech Developer

Adam has more than 12 years of experience in engineering. His tools of choice include Python 3, Spark, and SQL. His main focus areas include ETLs and machine learning marketing pipelines. Adam is able to effectively communicate with both highly technical and nontechnical specialists.

Previously at

Gianluca Vaccarini

Verified Expert in Engineering

8+ Years

of Experience

Full-stack Developer

Gianluca is a highly versatile front-end and full-stack software engineer. He has helped many companies take an idea and turn it into a product that serves thousands to millions of users. Gianluca built the software that powers Tesla’s scheduling service centers from scratch, and has worked at Big Tech companies, such as Adobe, Starbucks, Snapchat, and T-Mobile. Known for building exceptionally fast and well, he can work on either end of the stack, integrate CI/CD, perform end-to-end testing, and more.

Previously at

George Elias

Verified Expert in Engineering

7+ Years

of Experience

Integration Expert

George is an eight-time certified Salesforce developer with experience in both programming and declarative Salesforce features. His expertise spans data model design, API integration, and custom component development. George has successfully handled administrator and developer tasks in previous projects and is eager to contribute to new ones.

Previously at

Brion Roberto

Verified Expert in Marketing

24+ Years

of Experience

Martech Expert

A global marketing leader with years of experience bolstering startups and blue chip companies like Johnnie Walker, American Express, BCG, and The Washington Post, Brion has exceeded goals, expanded into new markets, and significantly increased profits. He has managed dispersed cross-functional teams to create campaigns with digital and global insight. Brion’s innovative strategy has garnered awards for exceptional marketing that delivers.

Previously at

On-demand Talent & Teams

20,000+ vetted professionals, ready to deploy individually or in teams

Martech Product Manager

Marketing Strategist

Marketing Automation Expert

Martech Developer

Marketing Automation Expert

Integration Expert

Marketing Project Manager

Full-stack Developer

Data Integration Expert

Verified Expert in Marketing

25+ Years

of Experience

Martech Product Manager

David has a rich experience in diverse marketing and product roles. He led cross-functional teams in global organizations, including Apple and Samsung, and managed distributed teams in smaller startups and scale-ups. David is passionate about developing and executing strategies to deliver exceptional customer experiences.

Previously at

Verified Expert in Marketing

13+ Years

of Experience

Marketing Strategist

Camila is a seasoned professional with 13+ years of experience in marketing and analytics. She has worked for agencies like Omnicom Media Group and companies like Just Eat, managing budgets of more than £7 million globally. With a master's degree in advertising and multiple certifications, Camila excels in agency transitions and establishing in-house teams. She is an innovative thinker who thrives on pushing boundaries, leveraging analytics and digital strategies to drive outstanding performance.

Previously at

Verified Expert in Marketing

8+ Years

of Experience

Marketing Automation Expert

Cenk is a seasoned professional specializing in marketing automation. With 8+ years of experience in eCommerce, travel, real estate, tobacco, consumer electronics, and service industries, he has led projects across Switzerland, France, Benelux, USA, and the MEA region.

Previously at

Verified Expert in Engineering

30+ Years

of Experience

Martech Developer

Anderson is a software engineer who’s strongly committed to delivering the best solution for the problem. In his more than 30 years in the IT industry, he’s worked on projects in custom web development, collaboration portals, e-learning platforms, enterprise resource planning, content management systems, project management tools, mobile apps, reporting, and business intelligence platforms up to Internet of Things projects. Anderson has an MBA in project management and holds a PMP and MCSD .NET certification.

Previously at

Verified Expert in Marketing

11+ Years

of Experience

Marketing Automation Expert

Astrid is a passionate problem solver dedicated to bridging the customer-solution gap. With 11+ years of experience in B2B marketing, she has worked in both agency and client-side roles, thriving in creating integrated marketing programs that fuel business growth and foster customer loyalty. With a knack for creative storytelling and analytical thinking, Astrid combines the art and science of marketing, delivering impactful campaigns and meaningful results.

Previously at

Verified Expert in Engineering

23+ Years

of Experience

Integration Expert

Piotr is a blockchain architect, software developer, and technical lead with more than 23 years of experience working with CERN, Motorola Solutions, universities, and more. He has led projects, served as a Scrum master, and developed and delivered complex web and mobile solutions, including business and technical requirements, architecture, third-party API integrations, data acquisition, and processing for BI. Piotr co-developed the pan configuration language and has a PhD in computer science.

Previously at

Verified Expert in Project Management

13+ Years

of Experience

Marketing Project Manager

Erica is an agile project manager and product owner with more than a decade of experience. She has worked on a multitude of different topics and products. Erica is a quick learner with strong networking, communication, and organizational skills, and she loves working with international teams.

Previously at

Verified Expert in Engineering

5+ Years

of Experience

Full-stack Developer

Laurynas has more than five years of professional experience developing web and mobile applications with modern and efficient technologies. He is proficient in a diversified tech stack, including C#, .NET, Node.js, Python, TypeScript, JavaScript, React, and Angular. Laurynas has worked across the financial, e-commerce, video game, and software industries, and is willing to embrace new challenges.

Previously at

Verified Expert in Engineering

30+ Years

of Experience

Data Integration Expert

Gabriel more than 30 years of experience installing, managing, and using SQL, NoSQL (key-value, columnar, graph), time-series, spatial, in-memory, and cloud databases. He's worked with 10TB OLTP databases, 10TB data warehouses, tables with 10+ billion rows, and databases with 10,000+ tables.

Previously at

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Looking for guidance about the perfect martech services for your needs?

UNRIVALED EXPERTISE

Our Talent Has Worked With Top Companies

Having previously worked with these leading global companies, our talent brings valuable insights and expertise to deliver world-class outcomes.

Why organizations choose us

Toptal in Action

Discover the cutting-edge benefits our clients enjoy from the global Toptal network.

Top marketing agency hires 10 Toptal developers to automate paid media buying, grows revenue 3x.

Challenge: Adcrush Media needed to automate its media buying process and scale the company faster without relying on external capital.

Solution: Using Toptal’s flexible, on-demand hiring model, Adcrush worked with 10 developers to automate its ad-buying process and rapidly release critical features. To optimize product functionality, Toptal provided experts in machine learning, blockchain, web scraping, and more.

Impact: Without raising external capital or hiring a full-time engineering team, Adcrush expanded its client base by 500% and tripled revenue year over year. Its streamlined ad-buying process and ongoing Toptal partnership delivered a 50x return on investment, solidifying its position as a leading independent agency.

When we have a very specific need, Toptal can find us a specialist in just a few days. Toptal lets us launch features at a ferocious pace.

David Sanghera

Co-founder and CTO, Adcrush Media

Read Full Case Study

OUR THOUGHT LEADERSHIP

Explore Insights From the Martech Field

Read the latest articles and resources to keep you current on emerging trends in martech strategy, integration, analytics, and more.

Choosing an AI Tool Set for Content Personalization

Today’s marketing teams are expected to provide personalized experiences. Discover how to meet customer demand with the latest developments in AI content personalization from Toptal’s Growth Marketing Practice Lead Jeff Gangemi.

Jeff Gangemi

Growth Marketing Practice Lead

15 Years of Experience

Jeff is the Growth Marketing Practice Lead at Toptal. He holds a bachelor’s degree from Middlebury College and an MBA from Cornell University with an emphasis on leadership and innovation. Jeff has spent the past 15 years building demand generation, content marketing, and digital programs that drive meaningful transformation and growth for both internal teams and external clients. Before joining Toptal, he held senior management roles at Accenture Song, Material, and Telus International.

Previously at