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 number #1022


Amy Cattivera, Administrative Manager

Amy is a compassionate, energetic individual with over 18 years in the workforce serving the public. Her positive “can do” attitude makes her an incredible resource for assisting the team with projects, office needs and compliance. Her business knowledge and comprehensive understanding of the needs of Seniors allows her to support our team in assisting our Senior populations.

Office: (541) 295-8230  |


LeeSan Trumbly, Medicaid Community Liaison 


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. 


Cell: (541) 660-8326  |


Shonna James, Customer Experience Coordinator

Shonna’s expertise is working to ensure your happiness and satisfaction. Her “client first” attitude and unique ability to listen with compassion and understanding is of great benefit in helping the team to meet all your needs. Shonna has years of hands on experience in hospitals and the medical field. She is well versed in helping individuals facilitate a path to their goals. Her kind, friendly and knowledgeable demeaner brings joy to all she assists.

Office: (541) 295-8230  |


Lin Fredrickson, Project Manager

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  |

Corina Luna-Grant, Community Liaison

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  |


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!

Lesslie Bauer, Independent Consultant, Strategic Business Initiatives


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 number #1063