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Digital Health, IoT, Cloud, AI, Wearables, Patient Experience, Telehealth & more



We are technical experts with accomplished careers in sales, alliances, business developmentsoftware engineering, technical consulting and product development. We combined our complementary skills and passions for social media, health technology and patient experience to launch eViRa Health in 2017. 

Boston-based and globally connected B2B health and technology experts, we are a trusted social media partner to clients across the health tech landscape. Whether it’s enabling startups to get discovered and introduced to potential partners and investors, guiding companies to expand their thought leadership, or helping leading brands to grow massive online audiences and deepen user engagement, we are here to serve the global health tech community.

We have a direct social media reach of more than 470,000 followers. We are proud of the deep engagement and shares we receive across our multiple Twitter, LinkedIn and Instagram channels, with an organic audience well in excess of 30 Million.


Further, we've partnered with major health tech and life science thought leaders and global digital influencers to establish a Global Influencer Network, with an additional 1.5M direct social media followers. Through this Network, we provide further unique amplification of reach and engagement for our clients. Meet our founders and the evergrowing team of collaborators in the eViRa Health Global Influencer Network.







Ask us about our Client Case Studies!
Industry Recognition
Several companies actively monitor social media and many other inputs to publish regular influencer lists and rankings, here are some relevant highlights
eViRa Health founders Evan Kirstel and Irma Rastegayeva and their collaborators Daniel Kraft, John Nosta and Joao Bocas are consistently named the top influencers in:
  • They were ranked the top 3 and 4 by SymplurRank, Social Media analytics and insights platform exclusively for healthcare, only behind conference organizers Exponential Medicine and Daniel Kraft
Evan and Irma were named in the 50 Top Digital Influencers in 2019 by IPFConline:
#7 Evan in Digital Transformation and #41 Irma in Health Tech
Evan was named the top HealthTech influencer by a recent GlobalData report, ahead of other renowned health thought leaders Daniel Kraft, Jane Sarasohn-Kahn, Eric Topol and John Nosta (some of them are in our Global Influencer Network)
Evan was just named the 4th Most Engaging Digital Marketer by Brand24
Irma was named in the top Women in Tech influencers and serves on the Board of Directors at the American College of Healthcare Trustees
Evan Kirstel
Chief Digital Evangelist
eViRa Health Co-Founder
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For Evan Kirstel, Social Business has been a healthy “obsession” for years. He has massively grown his personal social networks, while helping dozens of clients grow from zero to tens of thousands of engaged followers. Evan has 280K followers on Twitter,  50K connections/followers on LinkedIn and 100K followers on Instagram, growing by thousands monthly. His connections are a "Who's Who" of the B2B Enterprise, IoT, Cloud, and HealthTech. Evan was named the 5th most influential B2B marketeer in the US. He is a HIMSS Social Media Ambassador.

Evan combines 20+ years of sales, alliances, and biz dev experience with deep knowledge of social, mobile, IoT, cloud, security, and voice/video/web collaboration, offering a unique perspective on market convergence dynamics. His career includes roles with Philips, Intel, Siemens, and Oracle. He is a founder of EvanKirstel.com and KirstelReport.com.


As a long-time expert and thought leader in the Cloud, Security, IoT, Big Data, AI and other technologies, Evan's been following their emergence in the health landscape with great interest. He wanted to bring his technical expertise, industry experience, and social business know-how to help accelerate the growth of the digital health economy.

Evan is an internationally recognized thought leader and influencer in IoT (#1 in 2017), Cloud, Data Security (2016), Health Tech (#9 in 2017), Digital Health (#6 in 2016), B2B Marketing (#5 in 2015), AI, Smart Home, Digital (2017), IIoT (#1 in 2017), Telecom/Wireless/5G, and is in the top 10 most mentioned/re-tweeted by CMOs and CIOs (2016).

Recent thought leadership: HealthTech influencer interview.


Irma Rastegayeva is a Boston-based consultant, storytelling coach and Innovation Catalyst at the intersection of health, technology and humanity. Named in the Top 30 Women in Tech, she is recognized as a top influencer in DigitalHealth, HealthTech, PersonalizedMedicine and IoT. Irma serves on the board of the American College of Healthcare Trustees (ACHT). 

Irma’s professional career spans two decades and includes roles as a software engineer in medical software, devices, and life sciences; managing consultant at IBM; and senior engineer, program and technology manager, and technical account manager at Google. Irma left a successful 5-year tenure with Google in 2016 to fully indulge her passion for medical technology and healthcare innovation. She now combines deep technical expertise, product development experience and patient advocacy with storytelling and community engagement at eViRa Health.


Family connection to breast cancer 20+ years ago put Irma on the caregiver's journey and launched her into patient advocacy, helping patients with various medical and mental health conditions. Irma's passion for patient engagement, disease prevention/early diagnosis, and improved healthcare outcomes continues to fuel her.  

Irma Rastegayeva
Chief Innovation Catalyst
eViRa Health Co-Founder
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Irma is recognized as a top 10 influencer in major health industry events including ConnectedHealth, HIMSS, xMed, CESHLTH and InterSystems' GlobalSummit.


Deeply committed to service and lifelong learning, she serves on the board of Ideas in Action and is a co-founder, curator, and program director at TEDxBeaconStreet.


Irma earned Master of Science degree in Systems and Software Engineering from Boston University and Master of Science degree in Engineering Management from Tufts University.

Recent thought leadership:

Digital Health, Health Tech, and AI With Irma Rastegayeva (#AskTheCEO video/podcast series)

The Effect of 5G Technology on the Healthcare Industry

LiveWorx 2018 Overview, IoT Advances and Internet of Medical Things

Detected: How IoT, Cloud, Wearables, and AI show hope in the fight against breast cancer

Daniel Kraft, MD
Chair for Medicine & Neuroscience, Singularity University, Founder & Chair, Exponential Medicine
eViRa Health Global Influencer Network
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Daniel Kraft is a Stanford and Harvard trained physician-scientist, inventor and innovator. With over 25 years of experience in clinical practice, biomedical research and healthcare innovation, Kraft has served as Faculty Chair for 

Medicine & Neuroscience at Singularity University since SU's inception, and founded and is chair of Exponential Medicine, a program that explores convergent, rapidly developing technologies and their potential in biomedicine and healthcare.


Following undergraduate degrees from Brown University and medical school at Stanford, Daniel was Board Certified in both Internal Medicine & Pediatrics after completing a Harvard residency at the Massachusetts General Hospital & Boston Children's Hospital, and fellowships in hematology, oncology and bone marrow transplantation at Stanford.


He has multiple patents on medical device, digital health, immunology and stem cell related patents through faculty positions with Stanford University School of Medicine and as clinical faculty for the pediatric bone marrow transplantation service at University of California, San Francisco.

Daniel was selected as a fellow of the inaugural 2016 class of the Aspen Institute Health Innovators Fellowship and is a member of the Aspen Global Leadership Network.

Daniel's academic research has focused on: stem cell biology and regenerative medicine, stem cell derived immunotherapies for cancer, bioengineering human T-cell differentiation, and humanized animal models. His clinical work has focused on: bone marrow / hematopoietic stem cell transplantation for malignant and non-malignant diseases in adults and children, medical devices to enable stem cell based regenerative medicine, including marrow derived stem cell harvesting, processing and delivery. He also implemented the first text-paging system at Stanford Hospital.


Dr. Kraft recently founded IntelliMedicine, focused on enabling connected, data driven, and integrated personalized medicine. He is also the inventor of the MarrowMiner, an FDA approved device for the minimally invasive harvest of bone marrow, and founded RegenMed Systems, a company developing technologies to enable adult stem cell based regenerative therapies. Daniel is an avid pilot and has served in the Massachusetts and California Air National Guard as an officer and flight surgeon with F-15 & F-16 fighter Squadrons. He has conducted research on aerospace medicine that was published with NASA, with whom he was a finalist for astronaut selection.

Dr. Kraft serves as an adviser to the XPRIZE Foundation (where he conceived of the Tricorder XPRIZE and is a bold innovator for the Cancer XPRIZE). He is an advisor to Qualcomm Life, Rock Health, and several life sciences, biopharma and digital health companies. Daniel is a TED Speaker


Read more about Daniel and how he is catalyzing the future of health and medicine. 

John Nosta
Digital Health Philosopher
eViRa Health Global Influencer Network
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John Nosta is a thinker entrenched in the world of science, medicine and
. John is the founder of NOSTALAB, a leading digital health think tank. He’s currently ranked as the #1 global influencer in digital health and generally regarded as one of the top global strategic and creative thinkers in this important and expanding area. He is also one the most popular speakers around the globe presenting his vibrant and insightful perspective on the future of health
. His focus in on guiding companies, NGOs, and governments through the dynamics of exponential change in the health/tech marketplaces.

A leading voice in the convergence of technology and health, Nosta helps define, dissect and deliberate global trends in digital health. He is consistently ranked among the top names in almost every digital health list and has sustained that position for several years. Beyond simply an influencer, John is defined as “most admired” to “top disruptor” in digital health, life sciences, and the pharmaceutical industry. John is a member of the Google Health Advisory Board, pens Health Critical for Forbes (a top global blog on health and technology), and The Digital Self for Psychology Today (a leading blog focused on the digital transformation of humanity). He is also on the faculty of Exponential Medicine.

John has an established reputation as a vocal advocate for strategic thinking and creativity. He has built his career on the “science of advertising,” a process where strategy and creativity work together for superior marketing. He has also been recognized for his ability to translate difficult medical and scientific concepts into material that can be more easily communicated to consumers, clinicians, and scientists. Additionally, John has distinguished himself as a scientific thinker. Earlierin his career, John was a research associate at Harvard Medical School and has co-authored several papers with global thought-leaders in the field of cardiovascular physiology with a focus on acute myocardial infarction, ventricular arrhythmias and sudden cardiac death.

John cut his teeth at the "big" agencies including Ogilvy CommonHealth, where he has held a series of positions including Chief Creative Officer, Chief Strategic Officer, and unit President.

John is an internationally recognized thought leader and influencer in Digital Health (#1 in 2017), Healthcare (top 10 in 2017), and Healthcare Experts to Follow (top 10 in 2017).

Recent thought leadership: Must-Read: Wisdom from the World’s Top Digital Health Influencer.

João Bocas
The Wearables Expert
eViRa Health Global Influencer Network
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João Bocas is a Wearables Expert, Top 100 Global Digital Health Influencer and CEO of Digital Salutem, a top global HealthTech brand (#42 in 2017).

João's  passion lies in helping others, sharing experiences, transferring knowledge, working collaboratively and passing on the latest innovation trends from the digital health world.

As a thought leader in wearables, digital health, IoT and healthcare innovation, João explores the intersection of technology and business models and how these shape consumer behaviour. Also he analyses the impact of disruptive innovations and shares future trends in the marketplace.

João possesses more than 25 years of hands-on experience in Professional Sport and Corporate environments working with senior management, boards and executive teams. He has worked in healthcare, financial services, media, sporting and Public Sector organizations.

João  shares his insights and expertise as a contributor to global healthcare publications, including Healthcare Analytics News and Health Management.

João is an in-demand global keynote speaker, consultant and masterclass leader in wearables, innovation and business growth. Learn more about his services at TheWearablesExpert.com.



Jumpstart your B2B Social Media and Social Selling efforts, generate warm leads, and build a community of engaged followers, relevant to your particular business.

The combination of our extensive social influence, social business know-how, connections in the vast health tech industry, and passion for catalizing innovation could significantly help you drive social visibility and engagement with high value stakeholders, business influencers, customers, analysts, journalists, and more.



Jumpstart or scale your B2B Social Media and Social Selling efforts, generate warm leads, and build a community of engaged followers, relevant to your particular business needs.

B2B Social Media requires patience, commitment, and skill. Working together, we will help you drive thought leadership, meet new prospects and business partners, and build communities faster by adding hundreds new, relevant social media followers each month.

Substaintially increase your social visibility and ensure engagement with high value stakeholders, business influencers, customers, analysts, journalists, and more.

Our differentiation: We are technology experts with deep technical backgrounds, experience in health tech and patient engagement, product development and selling, who are also skilled at social media. We know how to find and relate to the key influencers, work the hashtags, keywords, and themes that will help you align to the appropriate social audience: technical, business, healthcare providers, patients, payers, and more. All while cutting through the noise to make connections, create leads, and position you for success!

Our reach: We have an organic audience reach in the millions. In addition, we've partnered with major HealthTech and Life Science thought leaders and influencers to create a Global Influencer Network. Through this Network, we offer further unique amplification of reach and engagement for our clients. Ask us about the details!




BUILD your thought leadership and a larger community on Twitter and LinkedIn that will translate into leads and increased traffic to your website and other properties.


CURATE highly relevant, targeted content to inform and grow your base of LinkedIn connections and Twitter followers (multiple times per day).


SHARE your content (e.g. news, blog posts, marketing collateral) daily with our personal followers and those of eViRa.

ENGAGE industry and technology journalists, partners, customers, high profile end-users, and analysts with RTs, mentions, and relevant insights around your offer.



CULTIVATE meaningful social RELATIONSHIPS with other thought leaders covering relevant agreed market verticals.         



ENHANCE your Competitive Intelligence and generate quality leads, focusing on outbound messaging and RTs.



TWEET with humor and intelligence, via pictures, viral content, and well designed posts.



MEASURE your social business engagement impact monthly (e.g. new relevant followers, likes, mentions, replies).

AMPLIFY your brand message by posting to relevant LinkedIn groups, boards, and meetups.



PROVIDE consistent “follow the sun” global social presence during peak engagement times (e.g. outside US working hours, evenings and weekends in a variety of time zones/geos).



RESEARCH relevant industry events and conferences, and increase your visibility on corresponding hashtags.



ASSIST with analyst relations outreach efforts, to ensure your message is strong and unique.




We are looking forward to hearing from you!
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