Bardia Eslami

Vice President of Operations

Bardia Eslami is an executive serving as the Vice President of Operations at Lief Labs. With a background in Chemical Engineering, he has been instrumental in driving the company’s operational success since joining in 2017.

Graduating from California State Polytechnic University, Pomona, Bardia holds a Bachelor’s degree in Chemical Engineering, a foundation that has provided him with a solid understanding of complex systems and processes, essential for his role in overseeing operations at Lief Labs. Bardia started his career as an intern at Lief immediately after college and has developed through overseeing multiple departments/functions like Supply Chain and Production. 

Throughout his tenure at Lief Labs, Bardia has spearheaded several pivotal projects that have significantly contributed to the company’s growth and operational efficiency. Notable among these projects is his leadership in the construction and transition of two 120,000 square foot facilities and the development and creation of the Engineering and Tech Ops departments/functions. Additionally, Bardia played a crucial role in the implementation of the SAP ERP System, a milestone initiative that streamlined Lief Labs’ internal processes and supported growth across various departments.

Mary Landin

Director of Human Resources

Mary L. Landin is a seasoned HR professional with 16 years of experience in driving organizational success through strategic human capital management primarily in the Space and Defense sector. Currently serving as the Director of Human Resources at Lief Labs, she leverages a comprehensive understanding of HR principles and practices to foster a dynamic and inclusive workplace culture.

Mary implements innovative recruitment strategies to attract talent and build high-performing teams that align with the company’s objectives. She directs initiatives to optimize employee engagement, retention, and development, recognizing that a motivated workforce is instrumental in achieving business goals.

Mary is adept at navigating complex employment regulations and compliance requirements, ensuring that the organization operates ethically and legally in all HR-related matters. She also plays a pivotal role in designing and implementing fair and effective compensation and benefits programs that reward employees equitably while aligning with budgetary constraints.

With a passion for fostering a culture of continuous improvement, Mary champions initiatives to enhance organizational effectiveness, streamline HR processes, and promote diversity, equity, and inclusion within the workplace. She is committed to fostering an environment where every employee feels valued, respected, and empowered to contribute their best. She is recognized for her leadership, strategic mindset, and dedication to driving HR excellence in support of organizational success.

Dieng Bui

Director of Quality Control

Dieng Bui joined Lief Lab in September 2017 and currently serves as the Head of Quality at Lief Labs. He is responsible for providing strategic direction for the company’s quality operations including development, implementation, and maintenance of the Quality Management System in accordance with appropriate regulatory requirements. Throughout his tenure at Lief Labs, Dieng has spearheaded several pivotal projects that have significantly contributed to the company’s growth. Notable among these achievements is earning an ISO-17025 Laboratory Accreditation for Lief Labs.

Overall, Dieng possesses over 17 years of experience in the Dietary Supplement industry, including over 10 years in quality assurance and 7 years in quality testing control. He previously served as the Director of the Quality Control Unit at Natrol Inc., where he was responsible for ensuring cGMP and FDA compliance guidelines of all product production at manufacturing facilities and multiple contract manufacturing organizations. Dieng holds a Bachelor of Science degree in Biochemistry from the California State of Northridge.

Nathan Cox

Vice President of Strategic Sales

Nathan is a senior executive with 10+ years of experience in the dietary supplement industry with an emphasis around sales, marketing, and product development. He holds a Bachelor’s degree in Communications Advertising and an Associate’s degree in Fire Technology where he graduated the Fire Fighter Academy in 2008. This background led him down the path of fitness and health where he became heavily involved in dietary supplements.

Nathan has formulated and produced thousands of products throughout his dietary supplement career and helped brands go from start up to 9 figure acquisitions. He has successfully launched new divisions at Lief Labs and helped build sustainable long-term infrastructure and business strategies that have led to the overall success of the organization.

Steffi Neth

Vice President of Marketing

Steffi Neth, Vice President of Marketing at Lief Labs, is a dynamic leader with 20 years of expertise in marketing, creative direction, and brand design. As a key member of Lief’s Senior Leadership team, Steffi leads the Marketing department, which she built, with finesse and vision. With a drive for innovation, Steffi plays a pivotal role in advancing the company’s growth and market presence through strategic and innovative marketing initiatives to support the company’s overall business objectives. She is also part of the Growth Mindsetter team that helped instill a new corporate culture.

In her role at Lief, she is blending traditional marketing principles with cutting-edge digital strategies to create a cohesive and impactful brand presence. Steffi has successfully led cross-functional teams in developing and implementing marketing campaigns that resonate with both B2B and B2C audiences. She crafts a cohesive brand narrative that resonates deeply with end consumers. With a proven track record, Steffi has previously lent her expertise to renowned brands like PUMA, Sonos, and Pfizer, among others, before joining Lief in 2017. She started with a clear vision of elevating Lief Labs and strengthening its position in the dietary supplement market.

Driven by a passion for holistic wellness, Steffi’s personal spirit mirrors her professional endeavors. As a devoted wife and mother of two, she embodies the values of balance and vitality that she promotes within the dietary supplement industry and at Lief Labs.

Born and raised in Germany, Steffi came to the United States to continue her education. She earned both a Master of Arts degree in Integrated Marketing Communications and a Bachelor of Science degree in Communication and Advertising from Suffolk University in Boston, MA.