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Meet Our Team





It Takes A Village


Our team will guide you with researching individual facilities, licensing violations, APS investigations, discharges from hospitals and nursing homes. We'll help with finding suitable housing, addressing difficult questions with loved ones, then we'll follow up to ensure a smooth transition for residents & communities.

Jamie Callahan, Founder & CEO

Extremely dedicated to the well-being of Southern Oregon's older adult population, Jamie  volunteers endless hours providing services to veterans, Alzheimer's patients and meaningful work like Club Sixty. Recognized as an industry leader around aging and services available to assist older adults, Jamie brings this knowledge to Team Senior.

Cell: (541) 415-1288  | | DHS Registration #1022

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LeeSan Trumbly, Medicaid Community Liaison for Grants Pass, Medford & Roseburg

Office: (541) 295-8230  |


LeeSan has over 30 years of experience with Aging and People with Disabilities Agency, determining eligibility for various Medicaid programs and assisting families with their search for long-term care. She is all about helping seniors and has been recognized for going above and beyond in every role she has served in. While Team Senior does not serve the Medicaid population, we brought LeeSan on board to help folks that are not getting enough help from DHS. 

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Mandy Bahneman, Customer Experience Coordinator for Grants Pass, Medford & Roseburg

We always picture sunflowers on the other line when chatting with Mandy! She is eternally cheerful. While her professional background is in banking, she brings a great deal of expertise from assisting her own family with hurdles around long-term care. Her “client first” ability to listen with compassion is of great benefit in helping our community partners, staff and clients. She simply knows how to jump in… and never hesitates to do so! 

Cell: (458) 229-0756  |

Lin Fredrickson, Project Manager for Grants Pass, Medford & Roseburg

Lin has been working with Asante for nearly 20 years! She brings a wealth of information to Team Senior, and works diligently to make all of our projects run smoothly. From marketing and project management, to networking and office management – we are grateful to have Lin on our team. Our clients love her, and so do all of our community partners.

Cell: (541) 659-2585  |


Linda Griesser, Community Liaison 

Linda moved to Oregon in 2013 to pursue working with seniors after 25 years in technology sales and marketing in the Silicon Valley.  As a licensed Administrator, Linda spent ten years managing senior living communities in Southern Oregon. She enjoyed the challenge of managing the operations of a senior living community and the rewards of helping seniors navigate their changing health needs.  Linda joined Team Senior to work side by side with seniors and their families to assist in navigating the myriad of options and the many considerations in making decisions with or for a loved one.

Office: (408) 656-7001  |


Team Senior is very proud to contract with the following Independent Consultants. They are the very best in Southern Oregon and we know you'll feel the same!

Jeff Bright, Community Liaison for Douglas County, Bright Senior Living Referral Service, LLC

Office: (541) 430-1690  |  Cell: (541) 670-6140  |

DHS Registration #1186

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Jeff has deep roots in Roseburg, having been born and raised there with lots of family still around. He is a wealth of information for seniors and their families because he has worked as an administrator and executive director for a few of the largest most amazing communities in Southern Oregon. He helped to set the standards and he intends to help ensure you get what you deserve! 


Corina Luna-Grant, Community Liaison for Medford, Luna Serving Seniors, LLC

Corina is an expert at developing relationships with seniors, their families, and our local community. She has an incredible way of connecting with and supporting those in need of assistance. She knows how to advocate for seniors, and she is acutely familiar with the services that they may qualify for, and how to get the ball rolling.

Cell: 541-531-1061  | | DHS Registration #1152

Lesslie Bauer, Independent Consultant, Strategic Business Initiatives for Grants Pass

Lesslie is one of the most compassionate people in Southern Oregon. She was raised right here in Josephine County and came back to raise her kids around 2010. Lesslie has been helping seniors in a number of ways over the last few years, with a focus on Medicare, pharmaceutical genetic DNA testing and assistance in identifying appropriate long-term care.

Cell: (541) 450-2044  | | DHS Registration #1063

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