Carl Byers
Adjunct Lecturer in Public Policy @ Harvard Kennedy School
Boston, United States
Carl Byers is a Series A investor at Harvard Kennedy School in Boston focused on Health Care and Software. Carl Byers brings more than 15 years of experience in healthcare to his role as Executive Partner.Carl was on the founding team at athenahealth, Inc. (Nasdaq: ATHN), where he served as Chief Financial Officer from 1997 to 2010. At athenahealth, Carl was responsible for the company's finance, legal and corporate technology teams and served as akey advisor to the CEO as part of the Senior Leadership Team. When a private company, he built the company's financial systems and led seven rounds of equity and subordinated debt financing, raising more than $70 million to support the company's development. Carl led athenahealth's $96 million 2007 Initial Public Offering, which the Wall Street Journal named as the year's most successful. In his tenure, he also held various operational roles at different times. Prior to the founding of athenahealth, Carl was a Senior Consultant in Booz, Allen & Hamilton's New York office, where he worked in the financial services and health insurance industries. Carl teaches entrepreneurial finance at Harvard's Kennedy School where he is an Adjunct Lecturer on Public Policy. He is a director at Lexington Montessori School, a co-trustee of the Bush Trust and an advisor to the Patricelli Center for Social Entrepreneurship at Wesleyan University (CT)
- Total investments:
- 54
- Last investment:
- Lead investor:
- 31%
Last updated:
For AI agents: llms.txt
Industries Carl Byers invests in
Stages Carl Byers invests in
Countries Carl Byers invests in
Round sizes
Contacts
| Type | Contact | Validation |
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| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $1.1M–$10M
- Series A
- $6.7M–$36M
- Series B
- $11M–$300M
Investment Focus
Industry
- Health Care 28 (52%)
- Software 8 (15%)
- Hospital 7 (13%)
- Information Technology 7 (13%)
- Wellness 6 (11%)
Stage
- Series A 17 (31%)
- Series B 13 (24%)
- Seed 9 (17%)
- Series C 7 (13%)
- Funding Round 2 (4%)
Country
- United States 29 (54%)
- The Netherlands 1 (2%)
- Trinidad and Tobago 1 (2%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Almanac Health
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Almanac Health is a clinical AI platform that brings specialist-grade knowledge to clinicians at the point of care, providing evidence-based clinical decision support across medical specialties, and governed by institutional controls. | $10M / Seed / Mar 16, 2026 | |
AmplifyMD
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AmplifyMD is a telemedicine platform connecting over 3,300 medical institutions with a lack of specialty access, often in rural or small regions to a network of leading specialists.AmplifyMD provides both the clinical team as well as the software to streamline and automate virtual care delivery and billing workflows and integrates seamlessly withhospitals' existing EHRs. | $20M / Series B / Sep 24, 2025 | |
Axle Health
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Axle Health provides scheduling and workforce management software for home health care providers. The Axle platform includes a mobile app for clinicians, an operations dashboard for office teams, proprietary logistics algorithms to optimize scheduling, and a patient engagement and booking solution. Axle is integrated with a wide range of EMRs, andthe entire Axle product can be customized and accessed modularly via API. Some of the biggest home health care providers in the country use Axle’s software to improve the utilization of their clinical teams, and automate the operational burden of scheduling and dispatching. | $10M / Series A / May 22, 2025 | |
Eleos Health
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Eleos Health provides automated health tech solutions that accelerate clinicians’ decision-making via an AI-powered Speech-to-Insights system to ensure the provision of personalized and time and cost-effective care. | $60M / Series C / Jan 22, 2025 | |
HiLabs
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They believe that the no one knows healthcare data better than the healthcare organizations that create it. However, healthcare organizations often lack the tools to generate insights from this data. Statisticians, data scientists and technology gurus can create tools, but these tools have no value until merged with the valuable domain knowledgethat only healthcare organizations possess. They empower healthcare organizations with data science tools to leverage their deep domain knowledge and generate novel insights from their data. | $39M / Series B / Mar 14, 2024 | |
Devoted Health
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Devoted Health is a new healthcare company serving seniors. Aiming to launch Medicare Advantage plans in 2019, their mission is to build a healthcare solution good enough for Mom. They will be devoted to the health and wellness of their members by helping them navigate the health care system with personal guides, by utilizing world-class technologyto enable a simplified experience, and by partnering with top providers for better health outcomes. | $175M / Series E / Dec 29, 2023 | |
Doceree
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Doceree is a fully integrated programmatic ad exchange for data-driven marketing, exclusively to physicians. | $35M / Series B / Sep 27, 2023 | |
SpectrumAi
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SpectrumAi is a digital health company innovating Autism care to increase access to high-quality ABA therapy for kids on the spectrum around the world. With support from industry veterans in technology and healthcare, SpectrumAi is working with global clinical leaders in ABA therapy, parents, and payers to modernize. | $20M / Series A / Mar 16, 2023 | |
Spry
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Spry is a cloud-based operating system that allows movement health professionals to collect and analyze patient data in real time. | $7M / Series A / Jun 22, 2022 | |
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SpectrumAi
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SpectrumAi is a digital health company innovating Autism care to increase access to high-quality ABA therapy for kids on the spectrum around the world. With support from industry veterans in technology and healthcare, SpectrumAi is working with global clinical leaders in ABA therapy, parents, and payers to modernize. | $9M / Seed / Jun 01, 2022 | |
| See all 54 investments → | |||
Co-Investors
About Harvard Kennedy School
"The idea of a school of public affairs at Harvard was born in the midst of the Great Depression and on the eve of World War II. As the government grappled with historic challenges both domestic and international, Harvard alumnus Lucius N. Littauer backed his vision of a school for a new professional governing class with an unprecedented $2million gift, then the largest single gift from an individual donor ever given to a university. Harvard Kennedy School’s mission is to improve public policy and leadership so people can live in societies that are more safe, free, just, and sustainably prosperous. By combining cutting-edge research, the teaching of outstanding students, and direct interaction with practitioners, the foundation have an impact on solving public problems that no other institution can match."
Harvard Kennedy School Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Stephen Goldsmith
Derek Bok Professor of the Practice of Urban Policy and Director of Data Smart City Solutions
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Alberto Mora
Senior Fellow
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Carl Byers
Adjunct Lecturer in Public Policy
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Doug Ulman
Hauser Leader
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Eric Rosenbach
Co-Director, Belfer Center for Science and International Affairs
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FAQ
What does Carl Byers invest in?
Carl Byers invests primarily in Health Care, Software and Hospital startups, most often at Series A and Series B stage. Most of the 54 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Carl Byers's check size?
Carl Byers typically joins rounds of $1.1M–$10M at Seed, $6.7M–$36M at Series A and $11M–$300M at Series B. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Carl Byers participates in.
How do I contact Carl Byers?
Public channels for Carl Byers include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did Carl Byers last invest?
The most recent investment recorded for Carl Byers closed in Mar 2026. Shizune tracks 54 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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