Chris Hogg, chief operations officer at digital respiratory company Propeller Health, announced on Twitter last week that he is leaving the company.

“After 6 incredible years @PropellerHealth, today it is with very mixed emotions that I am saying goodbye,” he wrote on Twitter. “Propeller has been, by far, the best career experience of my life. I am proud of the team and all that we accomplished.”

In his Twitter thread he said that he plans to take some time off work to be with his family, but noted that “digital health and entrepreneurship are addictive, so I will be back in the arena soon enough.”

Tyto Care, an AI-powered telehealth platform, dropped two hire announcements in mid-June, naming Colleen Sellers as VP of marketing, and Anat Eitan as its chief financial officer. Prior to this role Sellers worked at Johnson & Johnson as the senior director of global marketing. Meanwhile Eitan worked as the CFO for Statoscale and for Waze. 

“We are honored to welcome both Colleen and Anat to the Tyto Care team. Their vast experience and deep insights will help drive the company to new heights as we rapidly expand in the US and around the world,” Dedi Gilad, CEO of Tyto Care, said in a statement. “Their invaluable knowledge in their respective industries will strengthen Tyto Care’s position as the leading telehealth innovator, delivering convenient, clinic-quality remote care during this critical time.”

Wellsheet, a startup working to streamline EHR workflows via API, tapped Dr. Fredrick Lindberg as the company’s VP of product management. Lindberg has worked as both a medical doctor and a molecular researcher. He has a track record of working with startups and tech companies. 

“I’m pleased to welcome Dr. Lindberg to Wellsheet’s management team as VP of Product Management,” Craig Limoli, CEO and founder of Wellsheet, said in a statement. “Dr. Lindberg is an outstanding leader who understands market needs, how to quickly translate them into new technologies to scale organizations and was critical as our customers deployed Wellsheet as a COVID-19 tracker and alert system. He is respected by clinicians and administrators alike and his unique combination of medicine, research, technology, and leadership are a huge asset to Wellsheet.”

Ocutrx Vision Technologies made a slew of new hires. It announced that John Bluher will be the new director of finance, Simon Prosser will be the company’s next director of surgical applications, and Marc Stenzel will join as the new director of patient sales and marketing. 

Bluher previously worked at Prudential Securities, Janus Capital and Lehman Brothers, as well as with the SEC. Meanwhile, Prosser has experience working in the medical-device realm in the U.S., Europe and South America. Stenzel comes from a history of working in the vision space, having worked with Enhanced Vision and Telesensory Corp. 

"We are pleased to welcome Simon, John, and Marc to Team Ocutrx. Each of these amazing individuals brings an extraordinary set of skills that will be valuable in our continuing growth strategy over the near- and longer-terms,” Michael H. Freeman, CEO and CTO of Ocutrx, said in a statement. "These executives have stood out in their careers and proven themselves in high-growth environments, particularly in the fields of healthcare-related technology and innovation.”

Health IT company Change Healthcare announced that Nick Imrie will be its next chief of staff. Imrie has been around the tech industry for over 20 years. He previously worked at What Users Do and DomainNames.com. In his new role he will take charge of scaling the company and the team on an international level. 

 “Working closely with an array of tech companies has allowed me to be part of something I’m incredibly passionate about for the entirety of my career: tech businesses and their ability to scale and deliver value for clients and users,” Imrie said. “Our position in the world right now means that we’re relying on digital even more, and this has been highlighted as even more pressing for traditional industries such as the health sector.”

Digital health company MedSign named John Kastanis to their senior advisory board. Kastanis is a principal consultant at JNK Consulting. Prior to this he was the President and CEO of University Hospital in Newark, New Jersey.

“When I was introduced to MedSign and Qortex I knew right away there was tremendous potential in the technology. Having established training programs for local residents to become community health service workers, I have personally witnessed the struggles many have with learning and gaining access to new technologies,” Kastanis said in a statement. “With the easy-to-use Qortex system, which plugs directly into a patient's TV, you eliminate the enormous hurdle and can focus on what is most important … bringing quality care to everyone, especially to those in technology-averse, lower-income areas and hard-to-reach demographics.”