The Middle Six Expands Team with New Client Success Manager Following WBENC Certification

Milwaukee, WI – The Middle Six, a Milwaukee-based sales consulting firm transforming how businesses approach their sales strategies, is proud to announce the addition of Kim Marx as Client Success Manager. In this role, Marx will lead the implementation and optimization of HubSpot solutions, ensuring clients have the tools, strategies, and support they need to achieve measurable results.

With more than a decade of experience in the engineering industry, Marx brings a unique perspective that bridges technical expertise with sales and marketing strategy. Her addition marks an important step in The Middle Six’s expansion into the AEC (architecture, engineering, and construction) sector, positioning the firm to better support companies within these industries as they modernize their sales processes.

Marx will leverage her HubSpot expertise to lead client trainings, onboarding, and campaign execution, ensuring clients maximize their investment in the platform. By designing workflows, managing marketing assets, and delivering actionable insights, she will help The Middle Six’s clients achieve measurable growth while strengthening long-term partnerships.

Her certifications in HubSpot Inbound, Inbound Marketing, Social Media Marketing, and Digital Marketing underscore her technical expertise and her ability to bridge strategy with execution.

This announcement follows another milestone for the firm: The Middle Six’s recent certification as a Women’s Business Enterprise (WBE) by the Women’s Business Enterprise National Council (WBENC), the nation’s leader in women’s business development.

“Being WBENC-certified is an important step for The Middle Six,” said Lisa Proeber, Founder. “It validates our commitment not only to delivering world-class sales strategy and technology solutions but also to contributing to a more diverse, inclusive, and sustainable economy. Adding Kim to the team is part of that growth story. Her HubSpot expertise and proven track record in client success will help us scale the impact we can have for our clients.”

With its certification and expanded team, The Middle Six is positioned to take on greater projects, deepen client relationships, and continue advancing its mission to blend the art and science of sales.

About The Middle Six
Founded by sales veteran Lisa Proeber, The Middle Six is a Milwaukee-based sales consulting firm transforming how businesses approach their sales strategies. By blending the art and science of sales, The Middle Six equips sales teams with the training, technology, and strategy needed to unlock their full potential in today’s competitive marketplace. Their unique methodology is based on the belief that six out of ten sales remain "up for grabs," and their goal is to help clients claim those opportunities. To learn more about The Middle Six, please visit www.themiddlesix.com.

About WBENC
Founded in 1997, WBENC is the nation’s leader in women’s business development and the leading third-party certifier of businesses owned and operated by women, with more than 18,000 certified Women’s Business Enterprises, 14 national Regional Partner Organizations, and more than 500 Corporate Members, most of which are Fortune 500. Thousands of corporations representing America’s most prestigious brands, as well as many states, cities, and other entities, look for and accept WBENC Certification. Through the Women Owned initiative, WBENC also is a leader in supporting consumer-oriented female entrepreneurs and those who do business with them by raising awareness for why, where and how to buy Women Owned. For more information, visit www.wbenc.org and www.buywomenowned.com.

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