Management Team

Dennis Calvert

Dennis CalvertDennis P. Calvert is our President, Chief Executive Officer and Chairman of the Board. He also serves in the same positions for BioLargo Life Technologies, Inc. a wholly owned subsidiary of BioLargo, Inc., and chairman of the board of directors of each of Odor-No-More, Inc. and Clyra Medical Technologies, both BioLargo subsidiaries. Mr. Calvert was appointed a director in June 2002, and has served as President and Chief Executive Officer since June 2002, Corporate Secretary from September 2002 until March 2003, and Chief Financial Officer from March 2003 through January 2008. Mr. Calvert holds a B.A. degree in Economics from Wake Forest University, where he was a varsity basketball player. Mr. Calvert also studied at Columbia University and Harding University. He also serves on the Board of Directors at The Maximum Impact Foundation, a 501 (c)(3), committed to bridging the cap for lifesaving work around the globe for the good of man and in the name of Christ. He serves as a member of the Advisory Council for Wake Forest University’s Center for Innovation, Creativity and Entrepreneurship. He serves on the Board of the Cleantech, OC Trade Assoication, serves on its Emerging Technology Committee and is affiliated with its Sustainability Council. He is also an Eagle Scout. He is married to his wife more than 30 years and has two children. He is also an active coach in youth sports organizations and ministry activity in his home community. Mr. Calvert has an extensive entrepreneurial background as an operator, investor and consultant. Prior to his work with BioLargo, had participated in more than 300 consulting projects and more than 50 acquisitions as well as various financing transactions and companies that ranged from industrial chemicals, healthcare management, finance, telecommunications and consumer products.


Kenneth R. Code

Kenneth R. CodeKenneth R. Code holds the position of Chief Technology Officer of BioLargo, Inc. and its wholly owned subsidiary BioLargo Life Technologies, Inc. He is the Inventor of IOWC’s technology. He holds the following Patents and Publications CA 2191928 Absorbent Compositions, CA 2201825, CA 2278959, US 6146725, US 6328929, AU 9851139, India: 2247/CAL/97, PCT (International): WO 98/24486 His Accreditations include: Purchasing Management Association of Canada, Level IV, Council for the Accreditation of Pharmaceutical Reps, APMR, American Biological Safety Association, Advanced Disinfections, Canadian Blood Services, 75 Donations.


The following are listed in alphabetical order:

Spence Allen

Spence Allen has served as Director of Finance since September 2013, focused on financial planning and capital raising activities. Spence has a broad background in finance and administration, primarily with emerging high-tech firms. He has lead three companies successfully through the IPO process, serving in the capacity of CFO. Spence has a B.S. in Engineering Science from the U.S. Air Force Academy, a M.S. in Electrical Engineering from the University of Southern California, and an M.B.A. in Finance from George Washington University.

Gary Cox

Gary CoxGary Cox has been a director since May 2003. Mr. Cox has more than 14 years in the healthcare field as consultant to hospitals and medical groups. Since December 2005, Mr. Cox has been an executive search consultant with Management Recruiters International, an executive search firm specializing in the biotechnology industry. In addition, since 1995, he has also been providing search and consulting services to hospitals and clinics throughout the United States. Previously, Mr. Cox served for more than 10 years with firms in the United Kingdom in various executive recruiting, sales and marketing positions. He holds a technical degree in engineering from Leicester University in England. He was also a competitive athlete and played for a number of professional soccer (football) clubs in England in his early career.

Mr. Cox also serves on the Audit Committee, which was established by the Board of Directors along with the Compensation Committee. The Audit Committee meets with management and the Company’s independent public accountants to review the adequacy of internal controls and other financial reporting matters.

Charley Dargan

Charles DarganCharley Dargan holds the position of Chief Financial Officer of BioLargo, Inc. Mr. Dargan has been a member of the board of directors of InterSearch Group Inc, an American Stock Exchange-listed provider of search and advertising services for the Internet, since May 2006. Since January 2003, Mr. Dargan has served as founder and principal of CFO 911, a provider of operational and managerial expertise, specifically in accounting and finance, to middle market companies. From March 2000 to the present, Mr. Dargan has been the chief financial officer of Semotus Solutions, Inc., an American Stock Exchange-listed wireless mobility software company since January 2001. Mr. Dargan also served as a director of Semotus from March 1999 to July 2002. From January 2007 through November 2007, Mr. Dargan also served as Chief Financial Officer of Save the World Air, Inc. Mr. Dargan also serves as a director of 411 Web Directory, Inc. and Anchor Audio, Inc. Mr. Dargan received his B.A. degree in Government from Dartmouth College, his M.B.A. degree and M.S.B.A. degree in Finance from the University of Southern California.


Harry C. DeLonge

Harry DeLongeHarry DeLonge is Senior Advisor to the executive team at BioLargo. He also serves as the President of Tri-Lake Group, a division of DeLonge Technologies, inc. DeLonge retired from Pepsi-Cola International after 40+ years of service. His last two assignments as VP of Technical Services and VP of Manufacturing Technology with responsibilities encompassing over 300 beverage plants. He played a key role in Pepsi’s successful entrance into the China market, and their re-enterance into India’s beverage and snack food markets. DeLonge continues to consult on as as needed basis for PepsiCo Inc., Coca-Cola Bottlers, Johnson-Diversey, and Atlantum Technology. DeLonge has been awarded a number of US and International patents in the fields of water treatment, wastewater treatment technology and with water reclamation systems. He is well published in these areas and in other food and beverage technologies.

Steve Harrison

Mr. Harrison has served as Director of International Ventures for BioLargo since 2008. From 2003-2008 Steve served on the Board of Directors of BioLargo as Chairman of the audit and compensation committees. During 2001 and 2002, he was an investor and advisor to healthcare and consumer products companies including Beep for

From 1996 to 2001, he was the founder and CEO of InTouch Communications, Inc., a Competitive Local Exchange Carrier (CLEC), providing residential and business telephone services within the state of California, guiding the firm from authoring the business plan and managing it to profitability on annual revenues of more than $20 million after 2 1/2 years.

From 1992 to 1996, Mr. Harrison was Chief Executive Officer of Resource Medical Group, Inc., providing management consultancy services to the healthcare industry assisting hospitals, Health Maintenance Organizations, clinics, and practice management firms with medical staff planning and contracting issues, feasibility studies, and physician recruitment and retention.

Mr. Harrison attended Appalachian State University and the University of North Carolina at Chapel Hill.

Steve has been active in his community on the boards of his church and his children’s school as well as serving on the board of Bridges America Foundation, Maximum Impact Foundation and the Center for Individual and Family Therapy. Steve has four children.


Dennis E. Marshall

Dennis E. MarshallDennis E. Marshall has been a director of the Company since April 28, 2006. Marshall has over 35 years of experience in real estate, asset management, management level finance, and operations-oriented management. Since 1981, Mr. Marshall has been a real estate investment broker in Orange County, California, representing buyers and sellers in investment acquisitions and dispositions. From March 1977 to January 1981, Mr. Marshall was a real estate syndicator at McCombs Corporation as well as the assistant to the Chairman of the Board. While at McCombs Corporation, Mr. Marshall became the Vice President of Finance, where he financially monitored numerous public real estate syndications. From June 1973 to September 1976, Mr. Marshall served as an equity controller for the Don Koll Company, an investment builder and general contractor firm, at which Mr. Marshall worked closely with institutional equity partners and lenders. Before he began is career in real estate, Mr. Marshall worked at Arthur Young & Co. (now Ernst & Young) from June 1969 to June 1973, where he served as Supervising Senior Auditor and was responsible for numerous independent audits of publicly held corporations. During this period, he obtained Certified Public Accountant certification. Mr. Marshall earned a degree in Accounting from the University of Texas, Austin in 1966 and earned a Master of Science Business Administration from the University of California, Los Angeles in 1969. Mr. Marshall serves as Chairman of the Audit and Compensation Committees.

Joseph Provenzano

Joseph ProvenzanoJoseph Provenzano is the President of Odor-No-More, Inc. a wholly owned subsidiary of BioLargo Inc. Joe is also our VP of Operations and has been a director since June 2002 and assumed the role of Corporate Secretary in March 2003. He began his corporate career in April 1988 as a Personnel Manager and Recruiter for First American Travel, a marketing company in Southern California. From June 1991 to September 1995 he worked as a technician within the Commercial and Residential security industry. From September 1995 to September 1996 he was employed by two major Southern California moving and storage companies as head of marketing. From September 1996 to April 2001 he owned a marketing company called Pre-Move Marketing Services (PMSA), offering advertising and direct marketing products for the moving and storage industry. From April 2001 to March 2003 he worked with Camden Holdings, Inc., an investment holding company to manage their mergers and acquisitions department, participating in more than 50 corporate mergers and acquisitions.

Joe was raised on a horse ranch in Northern California and has tended horses his entire life including working cattle, active in 4H showing horses and amateur rodeo as well as all aspects of their care and maintenance.


Vikram Rao, PhD

Vikrams Rao, PhDVikram Rao, PhD Rao is Senior Advisor to the executive team at BioLargo. He also serves as the Executive Director of the Research Triangle Energy Consortium (RTEC). Rao spent more than 30 years with Halliburton, most recently serving as senior vice president and chief technology officer, responsible for the company’s technology effort as well as intellectual asset management. He joined the company in 1974 as a senior research engineer. Rao is the author of more than 40 publications and has been awarded 24 patents in fields that include non-ferrous metal refining, alloy formulations, and oil and gas technology. Rao earned a doctorate degree and a master’s in engineering from Stanford University, and holds a bachelor’s degree in engineering from the Indian Institute of Technology in Madras, India.


Tanya Rhodes

Screen Shot 2016-06-14 at 10.34.05 PMSenior Strategy Advisor to Clyra Medical. Tanya is former Smith & Nephew Vice President of Innovation and Vice President at Smith & Nephew Wound Management. Tanya invested 15 years at Smith & Nephew U.S. and more than 20 years in the wound management and skin care industry globally, Rhodes has established a broad base of expertise that includes a concept-to-commercialization philosophy utilizing product design, strategic marketing and evidence-based trials as well as reimbursement and regulatory compliance strategies. Over her career, she played an instrumental role in bringing a number of staple wound care technologies to market around the globe. She holds a Masters Degree in Technology Management from the University of Miami and graduated with honors in Chemistry from Hull University, England. She also completed the full research for PhD in Molecular Orbital Computational Stereochemistry before relocating to the US.

Kent C. Roberts

Mr. Roberts spent 14 years as a partner and Director of Marketing at the investment management firm First Quadrant LP prior to his retirement in 2011. First Quadrant is respected globally as an innovative leader and investor in global macro and asset allocation strategies. The firm has been the recipient of four prestigious Graham and Dodd Awards for excellence in investment research during its twenty-year history and continues its long held focus on high level research. During his tenure at First Quadrant, Mr. Roberts served a term as a member of the firm’s governing board responsible for oversight of business operations, compensation, strategy, and public relations. Prior to his involvement with First Quadrant, Mr. Roberts served in a similar capacity as Marketing Director for Provident Capital Management in Philadelphia (1995 to 1997), and co-founded Akamai International, a boutique investment management firm offering institutional investors international equity strategies. He has presented at numerous industry conferences around the world and invited to participate on Institutional Investor’s Advisory Board. From 1987 through 1992, Mr. Roberts worked in the capital markets department for Bankers Trust Company and other regional banks advising multinational corporations on currency risk management strategies. Prior to entering the financial services industry Mr. Roberts worked in oil and gas exploration and consulted on the environmental impact resulting from the development of the Central Arizona Project (the canal that brought water from the Colorado River to both Phoenix and Tucson AZ). Mr. Roberts received a MBA in Finance from the University of Notre Dame in 1986, and a BS in Agriculture and Watershed Hydrology from the University of Arizona in 1982.

John S. Runyan

John S. RunyanJohn Runyan has spent his career in the food industry. He began as a stock boy at age 12, and ultimately served Fleming Companies for 38 years, his last 10 as a Senior Executive Officer in its corporate headquarters where he was Group President of Price Impact Retail Stores with annual sales of over $3 billion. He retired from Fleming in 2001, and established JSR&R Company executive advising, with a primary emphasis in the USA and international food business. His clients have included Coca Cola, Food 4 Less Price Impact Stores, IGA, Inc., Golden State Foods, and Bozzuto. In 2005, he joined Associated Grocers in Seattle, Washington as President and CEO and in 2006 he was elected Vice Chairman of the Board, overseeing its purchase in 2007 by Unified Grocers, at which time he became, and still serves as, Executive Advisor to its President and CEO. Mr. Runyan currently serves on the Board of Directors of Western Association of Food Chains, Retailer Owned Food Distributors of America. He also served on the Board of S4R Managed Services Company and in 2001 became Chairman and lead the sale of the company to Opsource, Inc., Santa Clara, CA in May 2003. Additionally, Mr. Runyan served 8 years as a board member of the City of Hope’s Northern California Food Industry Circle, which included two terms as President and was recognized with the City of Hope “Spirit of Life” award. He was the first wholesale executive to be voted “Man of the Year” by Food People Publication. He is a graduate of Washburn University, which recognized his business accomplishments in 2007 as the honoree from the School of Business “Alumni Fellow Award.”

AJ Sexton

imageAJ Sexton V currently serves as Director of Business Development for BioLargo. Mr. Sexton’s financial services career has encompassed 20+ years and the representation of over 75 different companies culminating in more than $550 million dollars in private equity transactions. In 1992, at the age of 24, AJ founded Sexton Equities, an investment banking and consulting firm specializing in providing capital for small private companies. As a private equity expert, the bulk of his career has been spent identifying quality companies for capital investment, conducting forensic due diligence to minimize downside risk; and then negotiating, structuring & funding the transactions via his network of institutional & high net worth investors. AJ also specializes in the areas of M & A, business development and operational consulting. He Co-Founded We Will Serve in 2008; a nonprofit corporation that enables families-in-need to provide their children with clothing & essential items. The corporation organizes an annual Christmas Tree Drive which provides hundreds of needy families with trees just in time for Christmas. He currently serves as Associate Elder of Mariner’s Church, holds FINRA Series 7, 63 and 79 licenses and received a Bachelor’s Degree from Muskingum University.

Robert Szolomayer

Robert SzolomayerRobert Szolomayer serves as the Director of Corporate Development for BioLargo Life Technologies, Inc. He is experienced in financing and entitlements for large scale Real Estate Development Projects and Assisting technology firms with funding and strategic partners. Previously, Robert was the Sr. Vice President of project management at Del Mar Pacific Group. From 1995 to 2000 he worked with Northrop Grumman, on a $1B military project as a key team member to complete the design, negotiations, development, and construction of this national security project. He has previously been involved as a consultant on major infrastructure projects providing financing and strategic partners in both Vietnam and China. He received a Bachelor of Science in Industrial Technology from Cal State Long Beach.