Our Leadership Team


Zach is a healthcare executive with two decades of experience in post-acute respiratory care services and outcome-based care models. Zach grew up in the home care/respiratory industry, as well as a family of successful Respiratory Therapists & entrepreneurs. After becoming a Respiratory Therapist himself, Zach worked in Acute Care for 3 years before transitioning back into Post Acute Care. Zach served as Special Projects Manager & National Clinical Educator for Linde-RSS and served as VP of Health Management & Chief Clinical Officer at Alana Healthcare developing the CROM program that transitioned the company from a Durable Medical Equipment provider in TN into a national Disease Management organization. Zach started Encore with the vision of radically improving post-acute respiratory care delivery through clinical excellence, innovative technologies, and the Nexus software.

Zach Gantt, RRT

President & Chief Executive Officer


Dan has a background in developing respiratory & medical devices while serving in various Executive/Presidential roles with Baxter Healthcare, Sunrise Medical/DeVilbiss, & Sunrise Medical/Quickie. Dan founded Inspired Technologies, a VC funded startup where he developed & patented multiple devices including the SmartDose oxygen delivery conserving device. Dan then joined Klingensmith Healthcare & developed the most widely known home COPD management program, DASH, which was published 40+ times in almost every notable pulmonary journal in the US. Dan guided the Klingensmith DME/HHA business through an acquisition by Highmark BCBS in 2015 and joined Encore in 2016 as Chief Strategy officer.

Dan Easley

Chief Strategy Officer


As the co-founder and COO of Encore, Keisha is responsible for operations, building employee alignment with company goals, and meeting key targets of the organization. Keisha started her 17 year career as an Respiratory Therapist where she advanced to Director within the first year. Over the next 3 years she went on to become the top account executive at the global respiratory provider Linde Healthcare, where she worked with other regions to develop respiratory solution-oriented programs for skilled nursing facilities, expanding the programs into 5 additional states. Keisha served at Alana Healthcare as Director of LTC Business Development and VP of Facility Contracting, where she developed the Transitional Care Unit (TCU) model and expanded the companies SNF Respiratory programs throughout the United States.

Keisha Harper

Chief Operations Officer


Dr. Frederic Seifer presently serves as Medical Director of Population Health, St. Lawrence Health System, Potsdam, NY. Prior to assuming this role, he served as Medical Advisor for Pulmonary Health Innovation for Community Health Systems, Nashville, TN. Dr. Seifer’s research interests & experience include smoking cessation, pulmonary rehabilitation, chronic obstructive pulmonary disease, bronchiectasis and Idiopathic Pulmonary Fibrosis. After receiving his medical degree from Northwestern University, Chicago, IL, Dr. Seifer completed his internship and residency in internal medicine at the University of Illinois, Chicago. He was a recipient of a NIH supported research pulmonary fellowship at Duke University Medical Center in Durham, NC.

Frederic Seifer, MD, FCCP

Medical Advisor, Population Health


Carrie is a proactive leader with strengths in communication, clinical excellence and team collaboration.She is a results-focused senior executive that client customers count on for critical thinking, workflow design and implementing operational and clinical solutions. Carrie started her career as a Respiratory Therapist in acute care, then expanding into post-acute care where rapidly advanced into various management roles until eventually becoming the National Clinical Operations Manager for The Linde Group. Her awards include recipient of AARC- LTC Practitioner of the Year, Linde’s Ability to Execute and Global Clinical Excellence award and the American College of Chest Physicians – Center of Excellence Award for Sub-Acute Care. Carrie serves as Encore’s VP of Clinical Operations and oversees all clinical segments of the business.

Carrie Hylton-Proffitt, RRT

Vice President of Clinical Operations


Katie Pennington, RRT

Director of Clinical Operations


With almost two decades of experience in leadership and respiratory care, Katie is a highly driven professional focused on patient outcomes. She began her career in the acute care setting at a level 1 trauma center in East Tennessee. In 2012, Katie made the transition into the SNF industry working in a ventilator unit for six years. In late 2018, Katie joined Encore and began managing a ventilator unit in East TN. Katie advanced the facility’s ventilator weaning rate by over 50% and moved the facility to the top of the state ERC program rankings. Katie currently serves as the Director of Clinical Operations, overseeing two ventilator units, assisting in the clinical software development and leading software implementation.


Crystal Shoemaker, RRT

Regional Respiratory Manager

Crystal has held Respiratory Therapy positions including hospital acute-care, PFT lab, Homecare, and VA hospice. Crystal truly believes her job is her calling in life, and is thrilled to make a difference in her patient’s lives. As Encore’s Regional Respiratory Manager, she oversees the SNF operations for the company and manages the Respiratory Therapists in the field. Crystal was also "Respiratory Therapist of the Year" for 2020 at Encore. She has been employed with Encore Healthcare since 2017.


Jason has worked in the healthcare industry intermittently at both the University of Michigan Health System (Ann Arbor, MI) and Cookeville Regional Medical Center (Cookeville, TN) since 2000. He earned a Bachelors of Arts degree in Business Management from Ohio Christian University (Circleville, OH). Jason is responsible for all digital marketing and IT-related operations at Encore Healthcare.

Jason Lands, BA

Director of Information Technology