Leadership
Dr. Harshvardhan Chaobal
Founder and Chairman of the Board
Dr. Chaobal grew up in Alaska and studied Chemical Engineering at Texas A&M University with research in applied mathematics. After several years in the Oil and Gas and Refining industries, he answered his life-long calling to medicine at AT Still University.
Trained at Childrens Hospital Los Angeles and the University of Washington, he was elected Chief Resident and selected for the elite Clinical Scientist Track, followed by two years of practice at Stanford University with focused study in the Management of Perioperative Services and Health Care Business at Stanford’s Graduate School of Business.
Since then, Dr. Chaobal has become known amongst his colleagues as a skilled, ethical, professional and caring board certified anesthesiologist. His spectrum of clinical experience includes level 1 and 2 trauma centers, academic and private hospitals both large and small, ambulatory surgery centers, office based anesthesia. He has practiced in urban, rural, and remote communities.
Dr. Chaobal has a long history of supportive participation in his institutions and community, including hospital volunteer work throughout college and employment, training and evaluating Medic One (paramedics) personnel, teaching elementary school students concepts in entrepreneurship, amongst other volunteer endeavors. He frequents charity functions and donates regularly. In his spare time, Dr. Chaobal enjoys sports in general though particularly tennis, reading nonfiction, and the great outdoors.
Trained at Childrens Hospital Los Angeles and the University of Washington, he was elected Chief Resident and selected for the elite Clinical Scientist Track, followed by two years of practice at Stanford University with focused study in the Management of Perioperative Services and Health Care Business at Stanford’s Graduate School of Business.
Since then, Dr. Chaobal has become known amongst his colleagues as a skilled, ethical, professional and caring board certified anesthesiologist. His spectrum of clinical experience includes level 1 and 2 trauma centers, academic and private hospitals both large and small, ambulatory surgery centers, office based anesthesia. He has practiced in urban, rural, and remote communities.
Dr. Chaobal has a long history of supportive participation in his institutions and community, including hospital volunteer work throughout college and employment, training and evaluating Medic One (paramedics) personnel, teaching elementary school students concepts in entrepreneurship, amongst other volunteer endeavors. He frequents charity functions and donates regularly. In his spare time, Dr. Chaobal enjoys sports in general though particularly tennis, reading nonfiction, and the great outdoors.
Dr. Paul Langevin
Chief Executive Offer and Board Member
Dr. Langevin was born into a working class family in rural Connecticut and attained his Bachelorette degree from Southern Connecticut State College with a dual major in Biology and Biochemistry. He completed a MS in Biochemistry and Molecular biology there a year later and went onto a MBA program at Rensselaer after that. He was the fortunate recipient of an NIH predoctoral fellowship in physiology at the University of Missouri-Columbia (UMC) which allowed him to continue his education. He studied both cardiac and vascular physiology there, where his dissertation investigated vascular hyperresponsiveness as a precursor to hypertension, earning his first award for excellence in teaching, the Golden Key Award from the National Honor Society. He completed his MD degree at UMC graduating cum laude.
Graduate medical education took him to the SUNY at Stonybrook where he trained in Internal Medicine followed by a second residency in Anesthesiology with a year of advanced training in cardiovascular anesthesia as a special fellow before bonafide CV fellowships existed.
Dr. Langevin accepted a faculty appointment at the University of Florida (UF) where his research interests focused on two areas, pregnancy induced hypertension, which was a natural extension of his predoctoral dissertation and bacteriology and iatrogenic infection. At that time, the University of Florida supported the space shuttle program at Cape Kennedy and he trained as a NASA flight surgeon. Dr. Langevin was the recipient of several competitive research grants leading to publications in several top tier journals and served as a section editor for Chest. He also sat on an NIH study section. Dr. Langevin mentored numerous predoctoral graduate students, medical students, Residents and Fellows in multiple disciplines at UF as well as junior faculty and received his second award for excellence in teaching, the Golden Apple Award.
He took a year of sabbatical to complete a second fellowship in critical care medicine at Dartmouth and returned to Connecticut where he started a new Cardiac Anesthesiology program and met his wonderful wife.
He accepted a joint appointment to the Departments of Anesthesiology and Biomedical Engineering at Drexel University where he served as the Director of Cardiovascular Anesthesiology and Critical Care at Hahnemann University Hospital. He started a new ECMO training Program at Hahnemann serving as the Medical Director for ECMO and the Cardiovascular Shock Program. He proudly accepted his third teaching award from the residents in the Department of Anesthesiology.
The Covid Pandemic saw him back in the ICU in a large quaternary care hospital in New Jersey. He was invited to form and chair a new Anesthesia Department at a hospital in New Jersey where he began a residency training program. Recognizing the unique philosophy and business model at Olena Medical, he joined the company in 2022 and now serves as a Board member and CEO.
A veteran with an interest in agriculture, he and his wife, together with their three adult children now reside on a family farm in Virginia.
Graduate medical education took him to the SUNY at Stonybrook where he trained in Internal Medicine followed by a second residency in Anesthesiology with a year of advanced training in cardiovascular anesthesia as a special fellow before bonafide CV fellowships existed.
Dr. Langevin accepted a faculty appointment at the University of Florida (UF) where his research interests focused on two areas, pregnancy induced hypertension, which was a natural extension of his predoctoral dissertation and bacteriology and iatrogenic infection. At that time, the University of Florida supported the space shuttle program at Cape Kennedy and he trained as a NASA flight surgeon. Dr. Langevin was the recipient of several competitive research grants leading to publications in several top tier journals and served as a section editor for Chest. He also sat on an NIH study section. Dr. Langevin mentored numerous predoctoral graduate students, medical students, Residents and Fellows in multiple disciplines at UF as well as junior faculty and received his second award for excellence in teaching, the Golden Apple Award.
He took a year of sabbatical to complete a second fellowship in critical care medicine at Dartmouth and returned to Connecticut where he started a new Cardiac Anesthesiology program and met his wonderful wife.
He accepted a joint appointment to the Departments of Anesthesiology and Biomedical Engineering at Drexel University where he served as the Director of Cardiovascular Anesthesiology and Critical Care at Hahnemann University Hospital. He started a new ECMO training Program at Hahnemann serving as the Medical Director for ECMO and the Cardiovascular Shock Program. He proudly accepted his third teaching award from the residents in the Department of Anesthesiology.
The Covid Pandemic saw him back in the ICU in a large quaternary care hospital in New Jersey. He was invited to form and chair a new Anesthesia Department at a hospital in New Jersey where he began a residency training program. Recognizing the unique philosophy and business model at Olena Medical, he joined the company in 2022 and now serves as a Board member and CEO.
A veteran with an interest in agriculture, he and his wife, together with their three adult children now reside on a family farm in Virginia.
Mrinal Agrawal, M.D., M.S.
Chief Medical Officer
Mrinal Agrawal, M.D., M.S., serves as Chief Medical Officer at Olena Medical, where he brings a sophisticated clinical perspective and a steadfast commitment to elevating the standard of anesthesia care. A distinguished double board-certified physician in both Anesthesiology and Pain Management, Dr. Agrawal’s leadership is defined by his ability to integrate complex clinical data with a compassionate, patient-centered approach.
Dr. Agrawal earned his medical degree and a Master of Science from Rutgers New Jersey Medical School, establishing a strong foundation in both the science and the practice of medicine. He went on to complete a rigorous residency in Anesthesiology at the Penn State Milton S. Hershey Medical Center, followed by a specialized fellowship in Pain Management at the University of California, Irvine. This comprehensive training allows him to oversee the full continuum of care, bridging the gap between acute perioperative anesthesia and long-term interventional pain wellness.
As Chief Medical Officer, Dr. Agrawal is dedicated to fostering a culture of clinical excellence and safety. He is recognized by his colleagues for his collaborative leadership style and his focus on optimizing patient outcomes through evidence-based protocols. His vision for Olena Medical centers on empowering providers and ensuring that the group remains at the forefront of medical innovation. Outside of his professional responsibilities, Dr. Agrawal enjoys traveling, golfing, and spending time with his family, maintaining a balance that reflects his commitment to holistic well-being.
Dr. Agrawal earned his medical degree and a Master of Science from Rutgers New Jersey Medical School, establishing a strong foundation in both the science and the practice of medicine. He went on to complete a rigorous residency in Anesthesiology at the Penn State Milton S. Hershey Medical Center, followed by a specialized fellowship in Pain Management at the University of California, Irvine. This comprehensive training allows him to oversee the full continuum of care, bridging the gap between acute perioperative anesthesia and long-term interventional pain wellness.
As Chief Medical Officer, Dr. Agrawal is dedicated to fostering a culture of clinical excellence and safety. He is recognized by his colleagues for his collaborative leadership style and his focus on optimizing patient outcomes through evidence-based protocols. His vision for Olena Medical centers on empowering providers and ensuring that the group remains at the forefront of medical innovation. Outside of his professional responsibilities, Dr. Agrawal enjoys traveling, golfing, and spending time with his family, maintaining a balance that reflects his commitment to holistic well-being.
Dr. Shivani Thakkar
Director
Dr. Thakkar serves as medical director at Olena Medical in New Jersey and is a board-certified anesthesiologist dedicated to providing comprehensive and compassionate care to patients of all ages. With over ten years of experience, Dr. Thakkar is committed to delivering personalized treatment plans tailored to meet each patient’s unique needs.
After completing medical school at Drexel University College of Medicine, and residency training at Loyola University Medical Center, Dr. Thakkar pursued further specialization in pediatric anesthesiology at the Children’s Hospital of Wisconsin.
Dr. Thakkar believes in fostering a collaborative relationship with patients, empowering them to take an active role in their healthcare journey. Her compassionate approach, coupled with her clinical expertise, ensures patients receive the highest quality of care.
Outside of medicine, Dr. Thakkar enjoys music, travel, exercise, and spending time with her husband and children.
After completing medical school at Drexel University College of Medicine, and residency training at Loyola University Medical Center, Dr. Thakkar pursued further specialization in pediatric anesthesiology at the Children’s Hospital of Wisconsin.
Dr. Thakkar believes in fostering a collaborative relationship with patients, empowering them to take an active role in their healthcare journey. Her compassionate approach, coupled with her clinical expertise, ensures patients receive the highest quality of care.
Outside of medicine, Dr. Thakkar enjoys music, travel, exercise, and spending time with her husband and children.
Cheryl Jones
Chief Administrative Officer
Coming Soon
Ricardo Garcia
Chief Financial Officer
Richard A. Garcia is a native of Kansas City, Missouri and studied International Relations & Business Administration at the University of San Diego (USD) a private catholic university. Post graduation Mr. Garcia began his career as a financial consultant in San Diego & shortly after moved to New York City to pursue & further his work experience in corporate finance. In New York he transitioned from investment banking to the hedge fund world focussing on nano-cap & micro-cap investments in the USA & UK.
At the same time & away from the finance world, he began casually practicing photography & launched an online magazine covering high fashion, Hollywood & celebrity events in London, New York & Los Angeles. Between the red carpets of the Cannes Film Festival & Paris Fashion weeks entertainment creatives bombarded him with questions for investment advice in financial markets & how to structure deals. He then began to transition back towards finance but within the entertainment industry consulting for executive film producers & artists.
Mr. Garcia is is an outdoorsman who enjoys hiking, biking & landscape as well as urban photography.
At the same time & away from the finance world, he began casually practicing photography & launched an online magazine covering high fashion, Hollywood & celebrity events in London, New York & Los Angeles. Between the red carpets of the Cannes Film Festival & Paris Fashion weeks entertainment creatives bombarded him with questions for investment advice in financial markets & how to structure deals. He then began to transition back towards finance but within the entertainment industry consulting for executive film producers & artists.
Mr. Garcia is is an outdoorsman who enjoys hiking, biking & landscape as well as urban photography.
Board of Directors
Dr. Harshvardhan Chaobal
Chairman of the Board
Dr. Paul Langevin
Board Member
John Mansel
Vice Chair
Growing up in Alabama, he studied bio-electrical engineering at the Massachusetts Institute of Technology, and returned to his home state to earn his medical degree at the University of South Alabama College of Medicine. He completed his anesthesiology residency at the Ochsner Medical Foundation in New Orleans, achieving Board Certification in anesthesiology in 1992 and in pain medicine in 1994. He is double board certified in pain, with recognition by both the American Board of Anesthesiology and the American Board of Pain Medicine.
In addition to his active practice at the Wyoming Pain Institute, he also conducts research with the University of Wyoming with his company WyoBioTech and serves as President of the Wyoming Society of Anesthesiologists and on the Board of Directors of the American Society of Anesthesiologists.
Moving back to his wife Dona’s home state of Wyoming in 2011, they enjoy gardening, skiing and avoiding the wind.
In addition to his active practice at the Wyoming Pain Institute, he also conducts research with the University of Wyoming with his company WyoBioTech and serves as President of the Wyoming Society of Anesthesiologists and on the Board of Directors of the American Society of Anesthesiologists.
Moving back to his wife Dona’s home state of Wyoming in 2011, they enjoy gardening, skiing and avoiding the wind.
Michael Hong
Board Member
Mike co-founded SGI Partners and is the firm’s Chief Investment Officer. Prior to SGI Partners, Mike founded Strategic Growth Investments where he managed global investments in TMT, Industrials, Infrastructure, Life Sciences, and Alternative Energy/Renewables companies. Previously, Mike was a co-founder and portfolio manager at Vine Alternative Investments where he invested ~$500 million into Media and Entertainment companies.
Mike holds an MBA from Fordham University and a BS in Biology from the University of California, Berkeley.
Mike holds an MBA from Fordham University and a BS in Biology from the University of California, Berkeley.
Michael Bartholomew
Board Member
Mr. Michael Bartholomew is the Co-Founder of Promaxo and Neuro42. He has broad therapeutic experience across nearly twenty diseases covering large and small molecules, medical devices and diagnostics. Michael leads the go to market strategy, voice of customer, partner relationships and tactical implementation relating to corporate infrastructure. Prior to Promaxo, Michael was a Principal at Porzio Life Sciences, formerly Vice President of Sales & Marketing for Dohmen Life Science Service now Eversana, where he developed and launched several commercial initiatives. Before Dohmen, he served in various sales, marketing, managed care, commercial acquisitions and brand leadership positions for Pfizer, Pharmacia and Baxter.
Michael proudly served in the US Air Force as a decorated combat aviator, where he achieved the rank of Captain. He received his Masters of Science in Administration in Health Services from Central Michigan University and his Bachelor of Arts in Economics from Indiana University. Michael is a Fellow with the American College of Healthcare Executives.
Michael proudly served in the US Air Force as a decorated combat aviator, where he achieved the rank of Captain. He received his Masters of Science in Administration in Health Services from Central Michigan University and his Bachelor of Arts in Economics from Indiana University. Michael is a Fellow with the American College of Healthcare Executives.
