Ben Vollmer brings deep expertise in consulting, sales, product development, and management across diverse industries. He joined RSM in March 2024 to lead Growth and Product for the RSM Power Factory.

Before RSM, he was SVP of Product Management at IFS, leading global teams to deliver innovative enterprise service solutions. He spent over 16 years at Microsoft in key leadership roles, shaping go-to-market strategy for Dynamics 365 Field Service and working closely with partners, customers, and internal teams.

Earlier in his career, Ben played a pivotal role in launching ePartners, Microsoft’s first national Business Applications partner. Known for aligning product vision with real-world outcomes, Ben is passionate about optimizing service, people, processes, and tech.

A pragmatic leader and problem-solver, he thrives on creating value through collaboration and driving impact via enterprise applications and emerging technologies.

Principal Technical Specialist – Global Black Belt, Field Service | Microsoft

David Humphreys is a seasoned technical sales professional with over 40 years of experience delivering Field Service, CRM, and ERP solutions across a wide range of industries. As a Principal Technical Specialist on Microsoft’s Global Black Belt team, David helps organizations modernize and optimize their service operations using Dynamics 365 and the Power Platform.

With a background that includes 38 years of software development and implementation, David brings deep technical expertise and business insight to every engagement, specializing in Field Service transformation.

Outside of his professional pursuits, David is also a lifelong musician who has been playing guitar for over 54 years — blending technical precision with creative expression both on and off the stage.

Mark’s journey in IT began in 2005 with a transition from the sports industry to a robust career in Microsoft Dynamics. Starting with technical support, he quickly moved through consultancy roles and into a strategic advisory capacity as a solution architect. With early experience in Dynamics CRM, Mark became deeply versed in the Power Platform and eventually honed his expertise in Microsoft Dynamics 365 Field Service, where he now focuses his efforts.

Today, Mark is recognized as a Microsoft Dual Award MVP and Regional Lead MCT. His contributions extend beyond client projects; he actively contributes to Microsoft’s broader community through exam writing and direct feedback to product teams, helping to shape the future of Microsoft solutions. Over the years, Mark has led significant projects across a diverse range of industries for clients such as ScotiaBank, Oxbow Coal, Ford, Lebara, GOV.UK, Arsenal FC, Glasgow Clan, the Caledonia Gladiators, and the R&A Golf Course.

Global Black Belt, Field Service | Microsoft

Michelle Albright is a seasoned Field Service expert with over 15 years of experience helping organizations modernize their service operations through technology. As part of Microsoft’s elite Global Black Belt team, Michelle partners with enterprise customers to design and deliver transformative Field Service solutions using Dynamics 365 and the Power Platform.

With a strong background in Field Service strategy, solution architecture, and customer engagement, Michelle brings a practical, business-first mindset to digital transformation initiatives across a variety of industries.

Her passion for service excellence and innovation drives her work every day — ensuring that customers not only deploy the right technology but also achieve measurable outcomes that elevate the entire service experience.

Field Service Pioneer | Technologist | Storyteller

Pierre Hulsebus is a seasoned field service expert with over three decades of hands-on experience transforming service operations across industries. Often referred to as the “OG of Field Service,” Pierre has led enterprise service strategies long before digital transformation was a buzzword—taking organizations from paper-based processes to intelligent, AI-driven operations.

Known for his practical wisdom, strategic vision, and ability to bridge the gap between people, process, and technology, Pierre brings a unique blend of humor, insight, and deep industry knowledge to every conversation. Whether he's talking about technician enablement, IoT, or the future of AI in service, Pierre is a trusted voice and mentor in the field service community.

Reham Darwiche, MBA, MCSE, is the Dynamics Platform Lead at Intralox, where she’s driving digital transformation through Dynamics 365, Power Platform, and AI. 

With a strong background in Field Service and Customer Service, Reham leads innovations like chatbot-based support, AI-generated work orders, and connected omnichannel experiences. 

Her previous work as a Senior Architect at Hitachi Solutions sharpened her ability to turn complex challenges into scalable, human-centered solutions. Reham brings a rare blend of technical fluency and strategic insight—focused on empowering frontline teams, reducing friction, and elevating customer outcomes in modern service delivery. 

She’s passionate about simplifying the service experience, delivering real-world impact, and helping teams turn data into action—faster, smarter, and with purpose. 

Sahib Sawhney is a seasoned technology consultant and data scientist currently working with RSM US LLP. He brings a unique mix of deep technical knowledge and strong business acumen to help organizations leverage data and technology for solving complex problems. 

In addition to his role at RSM, Sahib has held leadership positions such as Managing Director at GRF Industries, a household goods company, demonstrating his versatility across industries. 

With a creative mindset, he’s also active on LinkedIn—sharing insights on AI ethics, marketing strategies, and business growth. Notably, Sahib has been involved in launching several ventures, including EnergyHUB Marketing & Growth Accelerator, EnergyNow Media, and BIG Impact Marketing, aimed at driving innovation in the energy sector