Lawrence D’Souza, Ph.D.
Chemical Synthesis Development and Formulation

Organic chemist with discovery and early development experience in small molecule, peptide, and protein synthesis route development and manufacturing, peptide and protein conjugation, salt selection, preformulation and formulation, discovery SAR leader

Jui-Chen Lin, Ph.D.
Formulation, Drug Product Development, and Aseptic Manufacturing

Chemical engineer with broad formulation and delivery system experience in biodegradable polymer microparticle suspension and gel formulations, lipid, liquid crystal, liposome, oral inhalation suspension formulation, sustained release, co-formulation, CMC lead

Shu Fen Wen, Ph.D.
Late Stage Drug Product Development and Manufacturing

Microbiologist with many years product development experience in device integration, container closure qualification, aqueous solution and microsphere suspension formulations, CMC lead, fluent in Japanese and Chinese


Laxma Reddy

Andrew Cerro
Associate Scientist

Melisa Chavez
Associate Scientist

William Levandowski
Associate Scientist

Ting-An Lim
Associate Scientist


Matthew Duffy
Director of Marketing
and Communications

Christine Lucus
Accounting & Human
Resources Manager

Amand Srivastava
Business Development

Billy Maggs
Business Development


We have openings for interns in our laboratory, operations, and marketing departments. If you’re interested email us at


Nick Wu
Former Laboratory Intern

“DDE has been a wonderful setting for my internships these past two summers. Right from when I started, I had the opportunity to contribute to projects with the chemistry team while expanding my understanding of how companies operate in the biotech industry.

I believe that DDE has helped me to improve in my both my laboratory research skills and interpersonal skills. With daily interactions with my managers and other company employees, I became more confident in my ability to explain my experiments and to understand the science behind each project.

Everyone at DDE was incredibly supportive, frequently encouraging me as I determined my next steps in my education and career.”

Luke Remley
Former Operations Manager

“Working for DDE was an amazing experience. I joined in 2014 and was able to participate in the growth of the company from 6 people to over 30. The culture and people created an environment where I was not only encouraged to learn but also challenge myself. I cannot speak highly enough about the guidance and level of support I received from all members of the staff. The relationships I built while in the company were instrumental in developing my career and in making my decision to pursue an MBA at the University of Southern California. DDE truly cares about it’s employees and provides them with all of the necessary skills to succeed.”


Alyssa Rodriguez
Former Associate Scientist

“My experience at DDE exposed me to cutting-edge concepts and research in science and biotechnology. I saw projects go from experiments at the bench to early phase clinical trials. I was fortunate enough to communicate and present research results to international clients every week in a professional manner. I learned first-hand what potential careers are available from research scientist to project director and all the experts necessary to reach FDA approval. Additionally, I was able to gain the positive skills of adaptability and flexibility when working on various projects simultaneously.”