Joan Tejeda

Motivated M.S Chemical Engineer with a background in biotechnology, seeking an opportunity to contribute strong laboratory, analytical, and problem-solving skills in a professional setting. Open to roles across industries with a focus on learning, adaptability, and teamwork.

Sterilization Laboratory Technician IV at Medtronic (2022-01 – 2024-12)

• Performed requalification of aeration and sterilization chambers, ensuring compliance with regulatory standards.
• Validated, implemented, and requalified sterilization cycles to support safe and effective medical device manufacturing.
• Conducted Gas Chromatography (GC) for Ethylene Oxide residual testing and FTIR analysis to assess adhesive curing.
• Executed sterilization "worst-case" product comparison tests to evaluate process robustness.
• Performed endotoxin detection assays to verify biocompatibility of medical products.
• Carried out steam quality testing to confirm vapor dryness for sterilization reliability.
• Authored and updated Standard Operating Procedures (SOPs) and work instructions, improving laboratory documentation accuracy.

Lab Technician and Researcher at Agricultural Technology Center (CENTA) (2020-01 – 2022-12)

• Performed in vitro plant tissue culture, including multiplication of plants and tubers under sterile conditions.
• Applied chemical mutagenesis techniques for genetic variability in plant species.
• Prepared and optimized culture media for plant growth and regeneration.
• Produced callus from etiolated stems and regenerated plants via tissue culture methods.
• Conducted agarose gel electrophoresis for basic DNA analysis.

Student/Researcher at Florida Institute of Technology (FIT)

• Completed a Multiple UV Light Wavelength Sterilization device.
• FIT's International Sports Association President

MS in Chemical Engineering – Florida Institute of Technology (2024-07 – 2026-05)

BS in Biotechnology – Instituto Tecnológico de Santo Domingo (2022