Catherine Welch, MBA TS(ABB)

Catherine founded Sequence46 and serves as Managing Director. She’s an accomplished clinical embryologist with nearly 20 years of experience and has consulted for clinics in the areas of laboratory management, inspection preparation, and new lab design/development. She has specialized in reproductive genetics over the past 10+ years and recently built up her own fertility collective in order to continue to grow into areas of the field needing support. Catherine lives in Southern California with her husband and four children.

SOPHIA TORMASI, TS(ABB)

Sophia co-founded Sequence46 and serves as the General and Technical Supervisor. She has a Bachelor’s degree in Biochemistry from Rutgers University and is a certified Technical Supervisor in Molecular Diagnostics. She previously worked at Reprogenetics/CooperGenomics and has over 14 years of experience in PGT. Sophia has co-authored numerous abstracts and publications on a variety of topics within the field. She lives in L.A. with her son and pomsky, Luna. She’s a foodie and enjoys exercise, hiking, and going to dog beaches with Luna.

JASON NEFALAR

Jason serves as the General Laboratory Supervisor, Safety and Training Officer of Sequence46. He received his Bachelor of Science degree in biochemistry from UCLA and has 3+ years of experience as a PGT laboratory technician. Jason developed an interest for clinical laboratory work while participating in several research projects at his local community college in Oxnard, CA and at Cedar Sinai Medical Center in Los Angeles, CA. His hobbies include hiking, backpacking, mountaineering, climbing, reading, and writing.

LAURA SHIN

Laura is a PGT laboratory technician at Sequence46. She obtained her Bachelor's in Biochemistry in 2017 at California State University, Long Beach and currently resides in Los Angeles in the heart of Koreatown. As a young graduate, she sought to work in a field where she could use science and technology to help people. In her role at Sequence46, she is able to do just that. Outside of work, Laura enjoys listening to music, taking photos, and staying active both indoors and outdoors.

SALLY RODRIGUEZ, CGC

Sally is a licensed, board-certified genetic counselor who specializes in the area of reproductive genetics. She received her Bachelor's in Molecular Biology from Princeton University and her Master's in Genetic Counseling from The Johns Hopkins University Bloomberg School of Public Health. She's passionate about genetics and fertility and has given numerous presentations at professional meetings on various related topics. Sally lives in the NYC area with her husband and fur-baby Khaleesi. She enjoys traveling, reading, and finding the best food NYC has to offer.

SCOTT COLLINS

Scott joins the Sequence46 team as a Sales Account Manager in the Midwest. He has spent the last 16 years in medical sales and the past 10 years working in various sales roles supporting PGT testing, equipment, and consumables in the IVF field. He received his Bachelor's degree from the University of Wisconsin Madison in Kinesiology and Health Education. Scott lives in the Chicago suburbs with his wife and three kids. He enjoys attending Chicago sporting events, road biking, and traveling with his family.

ARLENE SKRZYNSKI

Arlene is a laboratory assistant at Sequence46. She earned her Bachelor's of Science degree in biochemistry at California Polytechnic State University, San Luis Obispo in 2020. After graduating, Arlene wanted to be in a position where she could use her knowledge of science and enjoyment of lab work to make a positive impact on people's lives. She now lives in Los Angeles and, in her free time, she enjoys spending time with her animals, crocheting, and riding jet skis.