Ms Ouyang Sifan excels in bankruptcy derivative lawsuits such as disputes over unpaid contributions, disputes over withdrawn capital contributions, disputes over invalidation of debtor behavior, compensation disputes for damage to debtor interests, and contractual disputes such as equity transfer contract disputes, financial loan contract disputes, and private lending disputes. Since 2018, she has been engaged in bankruptcy field work, served as a legal risk consultant for numerous bankrupt or nearly-bankrupt enterprises, provided bankruptcy risk due diligence services, identified problems and solved them in risk prevention and control, and innovatively and efficiently served customers in dispute resolution; In 2020, she officially joined the Shanghai bankruptcy administrator team, served as a bankruptcy administrator in several accounting firms and law firms, participated in handling and processing multiple bankruptcy cases involving logistics transportation, commerce and trade, education and training, catering services, clothing manufacturing, etc., and accumulated rich case experience and litigation skills in the course of many years of handling cases, striving for substantial economic benefits for creditors.