M3, the hospitality industry’s leading cloud-based financial software platform, announces the recent appointment of Klavs Miller as Chief Technology Officer (CTO) and Allison Carter as Vice President of Human Resources. These key hires reinforce the company’s commitment to building best-in-class technology with a world-class team to support its next phase of growth.

The leadership additions come as M3 continues to accelerate development of its CoreSelect product line, which has seen 100+% growth over the past 12 months. CoreSelect is a simplified yet powerful financial solution built for independent owners and mid-sized hotel groups. With intuitive workflows, real-time reporting, and seamless PMS and POS integrations, it’s setting a new standard for hospitality accounting software.

“As we continue to grow, we’re focused on two things: investing in the right people and building the right products,” said JoAnn Kintzel, CEO of M3. “Klavs and Allison bring deep expertise in scaling organizations through periods of rapid growth, and their leadership will be instrumental in helping us expand both our platform and our team in a smart, sustainable way.”

“Blackstone is proud to support M3 through this pivotal growth phase,” said Ramzi Ramsey, Senior Managing Director at Blackstone. “With Klavs and Allison, M3 is expanding a leadership team equipped to accelerate innovation and unlock the next wave of growth in hospitality technology.”

Proven Leaders Join to Support Scale and Innovation

Allison Carter, Vice President of Human Resources at M3, brings over 30 years of experience leading HR functions across innovative startups and Fortune 200 companies. With a global perspective shaped by work in 23 countries, Carter is recognized for building agile organizations, guiding large-scale change, and coaching high-performing teams. At M3, she is committed to fostering an inclusive, people-first environment that fuels innovation, collaboration, and long-term growth.

“The best products are built by the best teams,” said Carter. “At M3, our people are the engine behind every innovation. I’m excited to help scale a culture where employees are empowered to thrive, and where our collective work drives even greater success for hoteliers.”

Klavs Miller, Chief Technology Officer at M3, brings over 20 years of experience leading engineering and product teams across multiple industries. As CTO, he oversees M3’s technology strategy and execution, spanning software development, infrastructure, and security. Prior to M3, he held senior technology leadership roles at Procare, DHI Group, onTargetjobs, and Quark. Klavs is recognized for building high-performing teams and delivering scalable, innovative solutions that grow alongside evolving customer needs.

“With Accounting Core, M3 set the gold standard for hotel accounting systems, redefining how the industry approaches financial operations,” said Miller. “Now we’re building on that legacy to shape the next generation of hospitality finance. CoreSelect, our latest innovation, brings that same powerful foundation to a broader market, helping every hotelier operate with greater clarity, confidence, and control.”

CoreSelect Evolves to Meet the Needs of Independent Owners and Mid-Sized Hotel Groups

As part of M3’s continued investment in product innovation, the company has released new enhancements to its AI-powered CoreSelect product. Designed for the unique needs of SMB hotel owners, CoreSelect brings the power of M3’s flagship Accounting Core platform in a more accessible, intuitive format. CoreSelect’s ongoing development paves the way for a new financial foundation for all hotel owners and management companies seeking a modern alternative to legacy accounting systems.

Recent updates include:

• Advanced AP automation that reduces manual invoice entry while eliminating errors
• Simplified daily revenue workflows for timely, accurate insights
• Automated reporting tools for more confident financial decision-making
• Refined interface built for speed, clarity, and ease of use
• Faster, stable performance that boosts daily financial operations

With these enhancements, CoreSelect ensures financial clarity without complexity, allowing hoteliers to spend less time managing spreadsheets and more time growing their business.

About M3

M3 is a cloud-based financial platform and services company serving over 9,000 entities across North America’s hospitality industry. Built by hoteliers for hoteliers™, M3 helps drive cost savings, revenue growth, and financial visibility. With over 25 years in business and a 95% customer retention rate, M3 is the trusted financial backbone for hotel owners and management groups. Its platform integrates seamlessly with industry systems, offering robust accounting, financial analysis, operations management, and workforce solutions. M3’s Professional Services team provides tailored accounting and bookkeeping support for entities of all sizes. For more information, visit www.m3as.com.

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