Our Team is Creating a Sustainable Future, Today

Cellana’s leadership team is group of biotechnology, scientific and industry professionals dedicated to the future of a cleaner, greener, more energy-secure future.

Martin Sabarsky, JD, MBA
Martin Sabarsky, JD, MBAChief Executive Officer
Mr. Sabarsky has served as CEO of Cellana since April 2011. Prior to this he had been CFO and COO of the Company since 2008. Prior to joining the Company, from 2000 to 2007, he led the corporate development function at Diversa Corporation within the Finance and Accounting department and took on increasing levels of management responsibility, most recently as Vice President of Corporate Development and a member of the Executive Committee. Before Diversa, Mr. Sabarsky worked as an investment banker with Bear, Stearns & Co. Inc., where he focused on financings and mergers and acquisitions within the life sciences industry and was a lead banker on Diversa’s $200 million IPO in 2000. Prior to joining Bear Stearns he worked as a transactional attorney with Latham & Watkins LLP. Mr. Sabarsky has an A.B. in Biology and Political Science from Brown University, a J.D. from Harvard Law School, and an M.B.A. from the Rady School of Management at the University of California, San Diego.

Valerie L. Harmon, M.Ag.
Valerie L. Harmon, M.Ag.Senior Director of Research and Development

Mrs. Harmon joined Cellana as Senior Director of Research and Development in 2013 with more than 25 years experience in microalgae cultivation.  Prior to joining Cellana, she served as Director of Cultivation, Environmental and Safety Systems for Aurora Algae Pty. Ltd. in Karratha Western Australia for two years.  During this time she worked to develop optimal production methodologies for large scale production ponds, contributing to a 50% increase in productivities as well as improved reliability.  Prior to this she worked in multiple roles of increasing responsibility for Cyanotech Corporation, a world leader in microalgae products.  While working for Cyanotech, Mrs. Harmon served as Cultivation Specialist, Technical Sales/Animal Feed Sales Manager, Director of Business Development, and Director of Cultivation over a nine year period.  During her tenure with Cyanotech improvements to production system methodologies led to significant productivity increases of between 34 and 50%, coupled with a product quality increases that allowed for better market positioning.  Harmon also brings significant experience in regulatory affairs for microalgae products across multiple markets, as well as a history of strong success in building solid relations with customers.  She was responsible for establishing exclusive product contracts potentially worth up to $10 million for microalgae products.  Harmon also has a strong skill set in laboratory management, GMP/ISO certifications, and new product development.  Before working exclusively in microalgae, Mrs. Harmon worked in the Shellfish Aquaculture Industry for both private and public institutions with strong expertise in hatchery management.  Mrs. Harmon holds a Masters in Agriculture, with an emphasis on Aquaculture, Fisheries Economics and Business Strategy from Oregon State University and a B.S. in Biology from Davidson College.

Selena Ellis-Vizcarra, MBA
Selena Ellis-Vizcarra, MBASenior Director, Corporate Development
Ms. Ellis-Vizcarra is based in San Diego, California and serves as the Director of Corporate Development for Cellana. Prior to joining Cellana she was with Verenium (formerly Diversa) Corporation holding a variety of increasingly responsible positions in the Business Development, Finance/Accounting, Intellectual Property, and Corporate Development departments with her final position being Contracts Manager, where she reported to the Chief Financial Officer. Selena has been in the biotech space as a Project Manager often for Federally-funded projects and for cross functional teams for over 20 years with responsibility for over $150M in cumulative fundings. Selena has a B.A. in Economics with a Minor in English and an M.B.A., both from San Diego State University.
Chris Marlett Patulski, CPA
Chris Marlett Patulski, CPAController
Ms. Marlett Patulski joined the Cellana team in January 2014 as Controller. Her accounting career spans over 30 plus years, holding various positions in Michigan, Texas, and Hawaii. Starting with a local CPA firm in Michigan, she worked for various companies from small privately held corporations to large publicly traded organizations in the retail, distribution, and manufacturing sectors, with a heavy emphasis in the manufacturing sector. In addition to financial and accounting related responsibilities, Ms. Marlett Patulski has also been responsible for Budgeting and Forecasting, Treasury functions, Payroll and Human Resource functions, Risk Management, Bank and Funding relationships, Procurement, Inventory Control, and IT functions, and has exposure to acquisitions, mergers, restructurings, and shut down and conversion of a manufacturing facility to a distribution operation. Ms. Marlett Patulski has extensive experience in financial and ERP system implementations and conversions, having served in Implementation Manager and System Administrator roles in the past, and has been involved in multiple conversions/installations. Before joining Cellana, Ms. Marlett Patulski was Controller and Corporate Secretary for Better Bags, Inc., a plastic packaging solution provider to the Grocery Industry. Ms. Marlett Patulski graduated summa cum laude from Aquinas College, with a Bachelor’s Degree in Business Administration with a major in Accounting.
Serena Chamberlain, SPHR
Serena Chamberlain, SPHRDirector, Human Resources
Since April 2010, Serena has been leading Cellana’s people and organizational development systems. She has held HR leadership positions for the last 12 years. Serena’s HR experience includes establishing an HR department and all functions to centralizing HR functions for a company located in three different countries and three different states to managing benefits for over 10,000 participants. Serena worked for various companies and organizations such as the County of Sonoma, California, Quest Global Management and the former WestPro Development.

Serena holds a Bachelor‘s degree in Business Administration. She is a member SHRM (Society for Human Resource Management) and is a certified Human Resources professional (SPHR). She has served as SHRM Board member for both Hawaii County and Northern California chapters. She is also the Chairperson for the Hawaii County Workforce Development Business Resource Council and the former Board President of PATH (Peoples Advocacy for Trail’s Hawaii). 

Avery Kramer
Avery KramerDirector, Engineering & Downstream Processing
Avery Kramer is Cellana’s Director, Engineering & Downstream Processing. He has served in a variety of capacities at Cellana since 2007 with increasing levels of responsibility, including as Operations Manager, and has overseen health, safety, and environmental (HSE) areas as well as quality assurance (QA). Most recently Avery was Manager of Business Development. Prior to Cellana, he worked in the biopharmaceutical industry in the San Francisco Bay area in business development, project management, and quality assurance roles. Mr. Kramer has a B.S. in Chemical Engineering from the University of California at Berkeley, where he was the inaugural exchange student for the National Science Foundation’s Marine Bioproducts Engineering Center (MARBEC).
Charles J. O’Kelly, PhD
Charles J. O’Kelly, PhDDirector, Research
Dr. O’Kelly is a researcher and educator who has been studying the biodiversity of algae and protozoa, from a wide variety of habitats, for more than 30 years. His expertise includes strain identification and isolation into culture, taxonomic and phylogenetic analysis, and the interactions between algae and other microbes. He teaches intensive summer courses on algal biodiversity at the Friday Harbor Laboratories, University of Washington. Dr. O’Kelly received his Ph.D. in Botany from the University of Washington.