Juan Feng

Designed and developed filamentous fungi mediated bioleaching process to remove inorganic elements from lignocellulosic biomass and improve feedstock thermal conversion Investigated PHA production using bacterial and archaeal from liquid fraction of bio-oil Developed lignin-derived antimicrobial materials and evaluated their activity against target bacterial

Postdoctoral researcher - University of Kentucky

(2025-04)

• Designed and developed filamentous fungi mediated bioleaching process to remove inorganic elements from lignocellulosic biomass and improve feedstock thermal conversion
• Investigated PHA production using bacterial and archaeal from liquid fraction of bio-oil
• Developed lignin-derived antimicrobial materials and evaluated their activity against target bacterial
• Conducting critical metal biosorption using filamentous fungi and algae consortia now

PhD research assistant - Chiang Mai University

(2021-11 - 2024-12)

• Conducted research on yeast fermentation for the production of biofuels and value-added biochemicals, including ethanol, xylitol, and PAC
• Optimized fermentation conditions (medium composition, pH, temperature, and aeration) to improve product yield and productivity
• Performed laboratory-scale batch and fed-batch fermentation experiments and monitored yeast growth and metabolite production
• Analyzed fermentation performance using analytical techniques and evaluated process efficiency
• Investigated microbial metabolic pathways and process optimization for improved bioconversion efficiency
• Mathematical modeling development and validation

Scientist - TECON Biology Co., Ltd.

(2020-07 - 2021-10)

• Optimized yeast and bacterial fermentation process to improve organic acid production and volatile aroma compound formation
• Designed and optimized liquid and solid-state fermentation process, including medium formulation and operating parameters
• Operated and monitored 200 L bioreactors for seed culture production
• Supported process scale-up and coordinated fermentation activities across four fermentation sites, contributing to consistent product performance
• Controlled solid-state fermentation conditions to ensure stable product quality
• Troubleshot fermentation issues and eliminated feed freezing problems in winter during transportation
• Contributed to development and documentation of standard operating procedures (SOPs)

Graduate Research Assistant - Tianjin Academy of Agricultural Sciences

(2018-03 - 2020-06)

• Developed and validated preservation strategies for persimmon, focusing on microbial control and shelf-life extension
• Performed quality analysis during storage, including physicochemical properties and microbial stability
• Evaluated antimicrobial activity and preservation performance of treatment agents against target microorganisms
• Conducted laboratory experiments, data collection, and statistical analysis to support process optimization

Graduate Research Assistant - University of Manitoba

(2019-03 - 2019-09)

• Investigated alternatives to conventional antibiotics for poultry
• Evaluated effects of feed additives on animal performance and gut microbial dynamics
• Conducted meat quality analysis
• Collected and analyzed experimental data to assess treatment effectiveness and meat quality

Fermentation/Winemaking Intern - Ningxia University

(2018-08 - 2018-11)

• Prepared raw fruits for fermentation, including fruit selection
• Cultivated yeast strains and supported fermentation experiments
• Monitored fermentation processes and product quality during production
• Performed cleaning and maintenance of fermentation equipment to ensure process hygiene and safety

Ph.D. - Food Science and Technology - Chiang Mai University (2021 - 2024)

M.S. - Food Science - Ningxia University (2017 - 2020)

B.S. - Food Quality and Safety - Shanxi Agricultural University (2013 - 2017)