We are looking for a Principal Data Scientist to lead data science initiatives and drive innovation. The Principal Data Scientist will be responsible for developing advanced machine learning models, leading research projects, and mentoring junior data scientists.

Key Responsibilities:
* Lead the development of advanced machine learning models.
* Conduct research and experimentation to improve data science methodologies.
* Mentor and guide junior data scientists.
* Collaborate with stakeholders to identify business opportunities.
* Present findings and recommendations to senior management.

Required Skills:
* Expertise in machine learning and statistical modeling.
* Strong programming skills in Python or R.
* Excellent leadership and communication skills.
* Experience with big data technologies.