OMS appoints customer relationship, diversity and inclusion manager

Jessica has more than a decade of experience across financial services, covering customer experience, digital change, investments and workplace inclusion.

Related topics:  OMS,  New Hire
Rozi Jones | Editor, Financial Reporter
11th February 2026
Jessica Tonczynski OMS

One Mortgage System (OMS), the CRM and loan origination platform for intermediaries and lenders, has appointed Jessica Tonczynski as customer relationship manager, alongside a wider remit as diversity and inclusion manager.

Jessica joins OMS with more than a decade of experience across financial services, covering customer experience, digital change, investments and workplace inclusion.

She joins after spending the past two years at Family Building Society, where she held the roles of diversity and inclusion officer and customer experience analyst. Prior to this, Jessica spent seven years at Aviva where she was a digital consultant, senior investment administrator and investment administrator. Earlier in her career, she worked at Friends Life building a strong grounding in financial services administration and customer support.

At OMS, Jessica will focus on strengthening relationships with clients, ensuring their feedback helps shape how the platform develops and is supported. Alongside this, her diversity and inclusion role will centre on embedding fair, practical and consistent approaches across the business, both internally and in how OMS works with the wider intermediary market.

Dale Jannels, CEO of One Mortgage System, commented: “Jessica brings a rare mix of customer focus, technical understanding and real experience in diversity and inclusion. This is not theory for her, she has worked inside businesses where outcomes matter, and she understands how systems, people and culture all link together. That makes her a strong fit for OMS as we continue to grow and challenge ourselves to do things better.”

Jessica Tonczynski said: “I’ve always worked in roles where the detail matters, whether that’s improving a customer journey or making sure inclusion is more than just a statement. OMS stood out because it listens to its users and is open about where it wants to improve. My role is about making sure customers feel supported day to day, while also helping the business take a more structured and honest approach to diversity and inclusion.”

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