The Mx Group is a digital and demand generation agency that empowers companies with the competitive edge of modern B2B marketing. To do this, we integrate a broad range of services: Strategy. Creative. Web and app development. Demand gen and lead management. We make it all work together to help companies attract, engage and convert more customers. For 30 years, clients have trusted us to turn their marketing investments into measurable revenue. We are a collection of marketing strategists, business analysts, designers, writers, programmers, data specialists and sales operations experts. All bringing unique skills and perspectives while contributing to our common mission of helping companies excite markets, engage customers, effect sales and embed value to create a Total Market Experience™.


Of course, there’s nothing wrong with politeness or pride, the tried-and-true or following a plan. But at The Mx Group, we value things like constant feedback and continuous improvement more. The clear, contrasted statements below serve as our guiding principles.

Respectful feedback over politeness or hierarchy

Openness to feedback over personal pride

Improvement over tried and true

Excellence over short-term productivity

Responding to change over adherence to plan

Service to team over reliance on team


Our highly experienced leadership team starts and stays deeply embedded in our client work. This allows them to give and gain fresh perspectives.

Andrew Mahler

CEO & Founder

Andy co-founded The Mx Group in 1989 and has led it to become a consistently profitable and growing integrated B2B marketing agency. Focused on database marketing, demand generation and lead management long before it was in vogue for the market at large, Andy has also advocated for all things digital since the mid-1990s, helping transform client programs in the process. He has worked closely with hundreds of B2B companies throughout the U.S. to help guide them in their strategic marketing and management efforts, and he thrives on helping clients and staff connect the dots between strategy, creative / digital execution and business generation. He holds a degree in business administration and marketing from California State University, Chico.

View Andy's Thought Leadership

Peter C. Wroblewski

Principal & Founder

As a co-founder of The Mx Group, Pete has helped B2B marketers connect the dots between strategy, creative execution and business generation for more than 20 years. Pete’s passion is to provide leadership to businesses, helping to create integrated programs that excite markets, engage customers, effect sales and embed long-term value.

View Pete's Thought Leadership

Kevin Coe

Partner & Senior Vice President of Digital

Kevin joined the agency in 1994 after earning his B.S. in advertising from the University of Illinois at Urbana-Champaign. Kevin oversees the web application and software development group and has been instrumental in the growth of the company’s technology expertise. Under his guidance, this group is now responsible for the development and implementation of hundreds of interactive and custom applications every year, including e-commerce, ERP integration, CMS, portal, viral and SEO initiatives.

View Kevin's Thought Leadership

Tony Riley

Senior Vice President

Tony began his advertising and marketing career after serving as an active duty United States Marine. During his enlistment he earned the Navy and Marine Corps Achievement Medal for his actions during Operation Iraqi Freedom II and gained the work ethic and drive that make him the leader he is today. He has worked at both B2B and B2C agencies, helping clients ranging from startups to Fortune 500s achieve their goals. At The Mx Group, Tony organizes diverse teams around a common vision. He has an innate ability to create successful sales and marketing strategies while motivating people to do more than they thought they could. He has a passion for B2B marketing and creating a lasting impact on clients’ businesses.

Kate Fishburne

Vice President of Organizational Development

Kate joined The Mx Group in 2006. Her ultimate goal is to improve the organization as a whole — to increase effectiveness, achieve goals, build capacity, and creatively manage challenges and change. Kate oversees all aspects of HR including hiring, training and retaining talent, ensuring that Mx clients are served by highly engaged and qualified staff. In addition, as head of corporate operations, Kate adeptly leads teams of administrative and project management staff, enabling continuous improvement and ensuring the company runs efficiently and effectively. Kate holds a B.A. in finance from the University of Notre Dame.

View Kate's Thought Leadership

Kelly Olson

Vice President of Client Services

Kelly leads The Mx Group’s account team, overseeing strategy and implementation of integrated marketing programs for all clients. For nearly 15 years, she has directed successful and award-winning campaigns for clients in the hospitality, automotive, medical and industrial sectors. She is accomplished in the areas of B2B product and brand messaging, creative development, website and app development, demand generation, lead management and sales enablement. Kelly is a graduate of Concordia College in Moorhead, Minnesota, and holds a B.A. in business and communications.

View Kelly's Thought Leadership

Kellie de Leon

Vice President of Marketing & Strategy

Kellie joined The Mx Group in 2013. She brings over 15 years of client- and agency-side experience working in marketing across a variety of industries, including industrial products, health care, software, non-profit and professional services. Kellie leads the strategy and internal marketing functions for the agency, managing demand generation and sales enablement to propel the company’s continued growth. She holds a B.A. in communications and theatre from Marquette University in Milwaukee, Wisconsin.

View Kellie's Thought Leadership

Eric Von Zee

Vice President of Application Development

Eric has been part of The Mx Group since 1998. He develops and manages internal and external teams through every phase of the software development life cycle, including ideation, estimation, proposal, design, execution, testing, UAT and delivery to production. With experience in every application development role from business analysis to development to test automation, Eric brings exceptional value to every project through his management acumen, methodology and automation points of view, and expertise in Java, JavaScript, C# and other technologies.

View Eric's Thought Leadership

Tom Perona

Vice President & Controller

Tom has nearly 20 years of experience in accounting and finance, with a background working for both small and large companies. Tom started working at The Mx Group in 2010 and is responsible for the company’s entire accounting and finance function, as well as other operational initiatives. He is a certified public accountant and holds an MBA from DePaul University. He has also served as an adjunct professor in DePaul’s accountancy department.

Emily Kleist

Managing Creative Director

Emily has been with The Mx Group since 2008. As managing creative director, she oversees the Creative department and provides strategic direction for a diverse client base. Emily leverages 15 years of experience in creative conceptualization, writing, content marketing and social media to lead award-winning comprehensive campaigns for clients in a variety of industries. She holds a B.A. in philosophy and creative writing from Gettysburg College in Gettysburg, Pennsylvania.

Mx + Bray Leino

We successfully execute B2B marketing programs around the globe with our agency partner Bray Leino Limited. This relationship provides our clients with extensive capabilities, a reach that spans North America, Europe and Asia, and B2B experience that is truly unmatched, with each agency ranked as a top 5 B2B agency within our respective territories.

This powerful partnership delivers a seamless, global B2B agency option outside the holding company model. The two partner agencies select clients they view as a great fit and form custom agency teams that are bound by nothing more than their mutual desire to work for a common client.



We’re not in it for the awards, but it’s nice to be recognized. And we’ve had our fair share in recent years.

US Agencies Benchmarking Report

B2B Marketing has ranked us as the #4 B2B agency in the country in their 2019 U.S. agency benchmarking report. “We are really grateful for all the outstanding and innovative work our staff continuously puts in to meet and exceed our clients’ goals,” said Andy Mahler, The Mx Group’s CEO and founder.

Learn more

4th Year in a Row!

We are proud to announce that we have been named one of Chicago’s Best and Brightest Companies to Work For® in 2019. This is the fourth time we have received this award, and this recognition comes at a time of unprecedented growth for our agency as we continue to bring innovative marketing and technology solutions to our ever-growing roster of B2B clients.

Learn more

Recognized by the Web Marketing Association

The Web Marketing Association (WMA) has recognized us for the design and development of two web projects this year: World of Zekelman, an interactive product demonstration website (Best in Industry), and a new B2B website for U.S. Cellular (Standard of Excellence).

Learn more


The company we keep is selected with intention and serves to make us a stronger partner to our clients.


The Association of National Advertisers

Since 1910 the Association of National Advertisers has commanded the industry agenda, enhanced career development, and advanced the interests of marketers.

Marketo LaunchPoint

Marketo is a marketing automation software that helps marketers master the art & science of digital marketing to engage customers and prospects. As a LaunchPoint Partner, we help our clients maximize the value of these capabilities.


The world’s leading independent agency network for advertising, communications, PR, media and digital agencies.

Demand Gen Report

Demand Gen Report strives to cover the latest product innovations, capture insights from top industry executives and offer unique insights into demand generation best practices for B2B marketing professionals.

B2B Marketing

B2B Marketing is the comprehensive information resource for B2B marketers. Its mission is to provide practitioners with the information they need to perform better and achieve more, whatever sector of the B2B space they are operating in.


Salesforce is a customer relationship management (CRM) platform offering cloud-based, CRM applications for sales, service, marketing, and more.


Ready to talk about your B2B marketing challenges?

Let’s connect