Cityblock was founded in 2017 as the first tech-driven provider for communities with complex needs. They deliver better care to where it’s needed most, investing upstream in highly personalized, prevention-oriented health and social care to ultimately drive down costs and improve outcomes. Their tech enables scale by bringing together practical information, coordination, and communication for their members and their care teams.

Health & Wellness

Hospital

Information Technology

Cityblock Health

Suzie Sheetz

Matt Estes

Rafi Cices

Michael Tang

Alan Inacio

Emily Kloeblen

Corrissa Sanford-Faber

Matt Klitus

Holly Oh

Lula Richards

Winston Huang

Luke Stepusin

Ankush Khona

Jac Joubert is the current Head of Actuary at [Cityblock Health](/org/cityblock-health). Prior to this, they were an Advisor at amedico from October 2016 to December 2018 and a Senior Principal and Consulting Actuary at [Oliver Wyman](/org/oliver-wyman) from July 2013 to January 2019. 

Jac has extensive experience in advising large employers, health plans, health systems and state agencies, providing actuarial and analytic-based input to support business initiatives and decisions. Her areas of focus include product strategy and pricing, evaluating vendor and medical management programs, provider and partner contracting options and risk adjustment.

Under their leadership, the Chicago location of [Oliver Wyman](/org/oliver-wyman)’s Health Actuarial Practice grew significantly, with a consistent revenue growth and expansion of the local team to more than 10 practitioners. Her work at [Cityblock Health](/org/cityblock-health) is continuing this trend, making their an invaluable asset to the company.

Jac Joubert has a Master of Business Administration from Northwestern University - Kellogg School of Management, a BComm (Hons) in Actuarial Science from University of Pretoria/Universiteit van Pretoria, and a BComm in Insurance Science from University of Pretoria/Universiteit van Pretoria.

Jac Joubert works with Andrea Zahumensky - Chief Marketing Officer, Bay Gross - Co-Founder & Chief Technical Product Officer, and Melanie Bella - Head of Partnerships & Policy. Jac Joubert reports to Toyin Ajayi, Co-Founder & CEO.

Jac Joubert

Chris Aguwa

Andrea Blankmeyer is currently the CFO at [Cityblock Health](/org/cityblock-health). Prior to that, they were the CFO at [Transfix](/org/transfix) from September 2018 to August 2020. Before that, they were the VP Finance at [SoFi](/org/sofi) from June 2015 to July 2018. [Hellman & Friedman](/org/hellman-friedman) from August 2012 to August 2014. The Bill and Melinda Gates Foundation from June 2011 to November 2011. [Bain & Company](/org/bain) from January 2010 to August 2012. [Innovations for Poverty Action](/org/innovations-for-poverty-action) from August 2009 to December 2009. [Deutsche Bank](/org/deutsche-bank) from June 2008 to August 2008.

Andrea Blankmeyer is currently a candidate for a Masters of Business Administration at [Harvard Business School](/org/harvard-business-school). Andrea graduated magna cum laude from Harvard College with degrees in economics and East Asian studies.

They are on a team with Chris Aguwa - EVP, Growth & Business Development, Melanie Bella - Head of Partnerships & Policy, and Kameron Matthews - Chief Health Officer. Andrea Blankmeyer reports to Toyin Ajayi, Co-Founder & CEO.

Andrea Blankmeyer

Kameron Matthews

Prior to Cityblock, Toyin served as Chief Medical Officer of Commonwealth Care Alliance. In this role, she led all clinical operations; spearheaded care delivery innovations; and oversaw multi-disciplinary teams of more than 500 clinicians, community health workers, and administrators, serving more than 20,000 beneficiaries across the state of Massachusetts. Toyin received her undergraduate degree from Stanford University; an MPhil from the University of Cambridge; and her medical degree, with Distinction in Clinical Practice, from King’s College London School of Medicine. Having completed her residency training at Boston Medical Center, Toyin is a board-certified family physician and continues to practice primary care and hospital medicine focused on patients with chronic, complex, and end-of-life needs. Internationally recognized as a leader in care for populations with complex needs, Toyin advises organizations such as the Center for Health Care Strategies, the Commonwealth Fund, and Institute for Healthcare Improvement.

Toyin Ajayi

Steven Spencer is the Deputy Chief Health Officer at [Cityblock Health](/org/cityblock-health). Steven has over fifteen years of experience in the healthcare industry. 

Previously, they served as the Medical Director of Population Health for Jefferson Medical Group. In this role, they were responsible for overseeing the health of the population and improving outcomes. 

In March 2021, they joined Onslow Memorial Hospital as the Senior Vice President and Chief Medical Officer. In this role, they are responsible for the overall quality of care and patient safety. Steven is also responsible for leading the medical staff and working with the Board of Trustees to ensure that the hospital is providing the best possible care for its patients.

Steven Spencer has a Masters in public health from Harvard T.H. Chan School of Public Health, a Master of Business Administration from The Johns Hopkins University Carey Business School, and a Doctor of Medicine from Brown Medical School. Steven also has a Bachelor of Arts in biology from [Brown University](/org/brown-university) and a Master of Public Health from Harvard T.H. Chan School of Public Health. Steven is certified by the American College of Physicians and the [American Board of Internal Medicine](/org/american-board-of-internal-medicine).

Their manager is Kameron Matthews, Chief Health Officer.

Steven Spencer

Susan Brown is the current Chief Administrative Officer at [Cityblock Health](/org/cityblock-health). Prior to their current role, they served as the CAO and General Counsel at Haven from April 2019 to February 2021. From September 2017 to April 2019, they were the President and COO of Minuteman Health, Inc. and also served as their CAO and General Counsel from January 2016 to September 2017. Brown began their career at the Massachusetts Attorney General's Office in July 2007 as an Assistant Attorney General before moving to Ropes & Gray LLP as an Associate in October 2003.

Susan Brown is a lawyer who attended the [University of North Carolina at Chapel Hill](/org/university-of-north-carolina-at-chapel-hill) for their Doctor of Law (J.D.) degree and Cornell University for their Bachelor of Science (BS) in Human Service Studies.

Their manager is Toyin Ajayi, Co-Founder & CEO. Susan Brown works with Kameron Matthews - Chief Health Officer, Chris Aguwa - EVP, Growth & Business Development, and Melanie Bella - Head of Partnerships & Policy.

Susan Brown

Mitch Betses is the current Chief Operating Officer at [Cityblock Health](/org/cityblock-health). Prior to this, they served as the Chief Operating Officer at Haven from January 2020 to December 2021, and as the Executive Vice President and Chief Operating Officer at [Beacon Health Options](/org/beacon-health-options) from January 2019 to December 2020. Mitch has over 25 years of experience in the healthcare industry, having started their career at [CVS Health](/org/cvs-health) in 1996, where they served as Executive Vice President for 23 years before moving on to their most recent positions. Mitch is a highly experienced and successful healthcare executive, and under their leadership, [Cityblock Health](/org/cityblock-health) is sure to continue to thrive.

Mitch Betses earned their Bachelor of Science in Pharmacy from the Massachusetts College of Pharmacy and Health Sciences.

and Theresa Coffin - Director, Practice Operations reports to Mitch Betses. Some of their coworkers include Susan Brown - Chief Administrative Officer, Chris Aguwa - EVP, Growth & Business Development, and Andrea Blankmeyer - CFO. Mitch Betses reports to Toyin Ajayi, Co-Founder & CEO.

Mitch Betses

Theresa Coffin is the current Director of Practice Operations at [Cityblock Health](/org/cityblock-health). Theresa has held this position since September of 2017. Prior to this, they were the Product Lead for Worksite Solutions at Mount Sinai Health System from July 2012 to September 2017. Theresa Coffin has been working in the field of Information Technology for over 20 years. Theresa started their career at The Mount Sinai Medical Center in May 2001 as the Sr. Director of Information Technology. In this role, they established the Enterprise Reporting Oversight Committee and the Developers’ team to integrate the various and disparate reporting initiatives taking place throughout the Medical Center. Theresa Coffin has been instrumental in aligning the goals of the IT department with the strategic plans of The Mount Sinai Medical Center.

Theresa Coffin has a Bachelor of Arts in Spanish and International Affairs from the University of New Hampshire and a Master of Science in Health Services Management and Policy with a focus on health policy from The New School.

Theresa Coffin reports to Mitch Betses, COO.

Theresa Coffin

Jennifer Tan

Charlotte Christopher

Bay Gross

Melanie has spent her career focused on transforming care for complex and costly populations in the Medicaid and Medicare programs. Before Cityblock, Melanie served as the first Director of the Medicare-Medicaid Coordination Office at the Centers for Medicare and Medicaid Services (CMS). Under her leadership, CMS designed and launched demonstrations across the country to test new delivery system and payment models for Medicare-Medicaid enrollees in both community and institutional settings, caring for more than 400,000 lives. Prior to that, she was the Medicaid director for the state of Indiana, and then the senior vice president for policy and operations at the Center for Health Care Strategies. There, she led the organization’s efforts to integrate care for complex populations and directed a unique leadership training institute. Melanie earned a master’s degree in business administration from Harvard Business School, and a bachelor's degree from DePauw University.

Melanie Bella

Julia joins Cityblock from Health Management Associates, where she tracked state Medicaid policy, conducted due diligence, and produced market analyses for investors and healthcare companies. She also worked on building out a Medicaid information database for managed care plans, providers, and service vendors. She grew up in Washington, D.C. and graduated from the University of Virginia with a B.A. in English. She currently lives in Manhattan and can be found running the West Side Highway, checking out the latest art exhibits, and finding new places to travel.

Julia Scully

Megan Sandel is currently an advisor at [Cityblock Health](/org/cityblock-health). Prior to that, they worked as a professional nurse at TaraVista Behavioral Health Center from December 2018 to June 2019, where they specialized in addiction treatment. Megan then worked as a nurse practitioner at Clean Slate from June 2019 to August 2020, where they again specialized in addiction treatment. Before that, they worked as a nurse practitioner at Community Health Connection ACTION Healthcare for the Homeless from June 2014 to December 2018, where they were a primary care provider for those struggling with chronic homelessness, substance addiction and mental illness. Megan provided in-clinic as well as outreach location (shelter, street) care. Prior to that, they worked as a nurse practitioner at Community Healthlink Inc from June 2013 to April 2014.

Megan Sandel has a Master's in Nursing and is an Adult-Gero Primary Care NP. Megan went to UMass Chan Medical School.

Cityblock Health

Org chart

Teams

Leadership Team

CEO and Executive Team

Board of Directors

Founding Team

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