Working At Ossium

Who We Are

At Ossium, we believe that science is humanity’s best weapon in the fight against disease, and we embrace the challenge of mobilizing the world’s healthcare ecosystem to win that fight. In pursuit of this goal, we empower our employees, maintain the highest standards of excellence, and are a force for good.

Kevin Caldwell

CEO, Co-Founder & President

Listen to Kevin Speak About Our Vision


The values we live by


We are mission-driven and results-oriented. We believe that a healthier world is a better one and that our work should drive positive change.


Embracing the truth empowers us to learn from both our successes and our mistakes. We follow the data wherever it leads.


We hold ourselves and each other to the highest bar. We care deeply about the work we do and know that even the smallest details can make a difference.

Inside Look

Day in the Life

Donor Field Services Managers

These donor tissue recovery experts work with our OPO partners to continuously improve our tissue recovery processes.  They are masters of Ossium’s recovery protocols and practices.

Cell Therapy Associates

These processing experts make our cell therapy products. They are skilled in tissue processing, cell processing, and cryopreservation.

Clinical Trial Project Managers

These project management maestros ensure that our clinical trials are run with diligent care.  They work with clinical investigators and healthcare institutions to manage our research.

Words from the Team

It is incredible to see Ossium growing and changing before your eyes. The tremendous achievements are owed to the unmatched leadership and to every single hardworking team member. The team's passion and drive to save lives radiates through the daily work. People at all levels are heard, supported, and make a recognizable difference. Each Ossie inspires me to be better and work harder. Working at Ossium is more than a job - it is a challenge, it is a family, it is fulfillment, it is world-changing.

Aubrey Sherry

Senior Manager, Quality Systems

Aubrey Sherry

Senior Manager, Quality Systems

Meeting Erik a few years ago and exploring Ossium's mission is what motivated me to move from Europe and join Ossium. I am driven by developing new opportunities in cell therapy that save more lives, and being part of the amazing 'we can do it' Ossium team makes every day a joy.

Wa'el Al Rawashdeh

Senior Director, Development

Wa'el Al Rawashdeh

Senior Director, Development

Dr. Al Rawashdeh has an interdisciplinary career focusing on the clinical translation of cell therapies and development of molecular imaging platforms. Prior to joining Ossium, he held a number of critical roles at Miltenyi Biotec, a global market-leader in cell processing, that enabled the creation of a successful CAR T cell therapy program. Dr. Al Rawashdeh developed industry-leading non-clinical development (NCD) and molecular imaging platforms and led the in vivo NCD packages of the CAR T cell therapy program, which in 4 years resulted in 4 CIT approvals in Germany, 1 IND pivotal trial FDA application, and 1 successful approval of an ‘orphan drug’ by the EMA. Dr. Al Rawashdeh developed a novel animal model that permitted the approval of the first CAR T cell clinical trial in Europe targeting melanoma.

On the research front, Dr. Al Rawashdeh spearheaded the initiation of an industry-academia consortium that successfully secured a major grant of $1.6 million from the EU European Funding for Regional Development initiative to develop novel CAR T cell therapies against solid tumors and cell tracking strategies, and led the project up to the time of his departure in 2021, when he joined Ossium. .

As a postdoc at RWTH Aachen University, Germany’s top engineering university, Dr. Al Rawashdeh co-developed novel optical imaging technology that convinced MiLabs, a global leader in molecular imaging, to adopt the technology and build and commercialize a hybrid tomography system that generated over $10 million in sales to date. Furthermore, on the basis of his original research and project design where he recruited industry partners from Germany, Italy and the UK, he secured a $1 million grant from the European Union’s European Commission in the highly competitive multi-country BioPhotonics call.

Dr. Al Rawashdeh completed his BS from California State University, Fresno, and his MSc and Ph.D. from RWTH Aachen University.

I love working for a company that consistently sparks passion, cultivates my professional growth, and advances patient care. Each of my teammates plays a vital role and our strength, enthusiasm, and dedication combine in order to improve the business and science as a whole. I am proud and fulfilled to be an Ossie!

Hannah Miller

Senior Manager, Clinical Manufacturing

Hannah Miller

Senior Manager, Clinical Manufacturing

Open Positions

At Ossium, we’re always looking for talented, mission-driven people.