Tessie Guillermo, President & CEO
Tessie is ZeroDivide’s committed, visionary leader. She has dedicated her life to social justice and has guided ZeroDivide since its inception in 1998 as a community technology foundation.
Tessie became involved in technology adoption in 1987, when she managed the installation of a patient information management system at a community health center in Oakland, Calif. Prior to working at ZeroDivide, she served for 15 years as CEO of the Asian & Pacific Islander American Health Forum, a leading national health policy and advocacy organization with offices in San Francisco and Washington, D.C. In 2000, Tessie was appointed by former President Bill Clinton to serve as an inaugural member of the President's Advisory Commission on Asian Americans and Pacific Islanders.
Tessie is a dynamic and in-demand speaker and was recently a featured panelist at the Aspen Ideas Festival. She currently serves as the board secretary for Dignity Health and is also a board member of the Lucile Packard Foundation for Children’s Health and the Nonprofit Finance Fund. Tessie is an alumna of the University of California, Berkeley, and California State University, East Bay, with a Bachelor of Arts in Economics. She is a graduate of the Gallup Leadership Institute and was a 1997 fellow of the Asian Pacific American Women's Leadership Institute.
Betty Hong, Managing Director of eHealth
Betty sets ZeroDivide’s eHealth consulting practice which includes policy advocacy, technology adoption and integration, innovation, and community research.
As eHealth managing director, Betty is committed to improving health care literacy and education, building capacity of safety net organizations and improving population health management for underserved communities. Betty is an accomplished health care professional with more than two decades of diverse executive management, health care consulting, managed care and nonprofit experience. Prior to joining ZeroDivide, Betty held management roles at Kaiser Permanente in compliance, risk management, information security, capital planning and revenue cycle; hospital contracting at Blue Shield of California; and actuarial pricing and analytics at CIGNA Health Plan of Northern California.
She also served as the CEO of the Asian Community Mental Health Services, an outpatient clinic serving the mental health and developmental disability needs of underserved immigrant and refugee Asian populations in Alameda and Contra Costa counties. Prior to that, she was the executive director of Operation Access, a nonprofit that provides free surgical care to the uninsured across six counties in northern California. Betty earned her Master of Public Health from Boston University’s School of Public Health and her undergraduate degree in physiology from University of California, Berkeley.
Lina Sheth, Vice President of Strategy & Operations
Lina guides ZeroDivide’s overall strategy development and manages the organization’s daily operations.
Lina’s role enables us to meet our strategic goals, develop new products and increase our overall impact. She brings more than 25 years of executive leadership experience working to improve health outcomes for communities of color. Prior to joining the ZeroDivide team, she led a national capacity-building program for nonprofits, local and state governments and community leaders. At the API Wellness Center, a primary care clinic in the poorest neighborhood in San Francisco, Lina spent 12 years ensuring HIV and health programming met strategic objectives. During her tenure, she oversaw the deployment of innovative technological solutions to the most underserved communities to promote health and wellness and coordinate clinical care. Lina is also a certified leadership coach who believes in the power of leadership to drive social justice. She earned both her Master of Public Health and Bachelor of Science in Physical Therapy from Boston University.
Dave Veneziano, Chief Financial Officer & Chief Operating Officer
Dave manages ZeroDivide’s finances and oversees the organization’s operations. He serves as the Executive in Charge on projects related to nonprofit capacity building and social enterprise development.
Dave has more than 27 years of financial and operations experience in corporate banking, investment and nonprofit finance. For seven years, Dave served as CFO of Women’s Initiative, the largest nonprofit in the country dedicated to providing business training and lending to low-income women. Before transitioning to nonprofit work, Dave held several positions at Charles Schwab & Co., including vice president of strategy and planning for the High-Volume Trading Division, vice president of electronic brokerage, and assistant controller for Schwab’s Online Trading Division during explosive growth in the late 1990s. Dave currently serves as finance committee chair for Friends of the San Francisco Public Library and as treasurer for the San Francisco chapter of the Social Enterprise Alliance. He holds a Bachelor of Science in Finance and Real Estate from Colorado State University.
Man Chung Yeung, Controller
Man Chung manages ZeroDivide’s accounting, treasury and regulatory compliance.
Man Chung is a highly skilled accountant who is well-versed in systems and database management and federal audit requirements. Prior to ZeroDivide, he was a finance and systems consultant for various small to Fortune 500 companies and led process improvement, systems integration, report automation, database management and enterprise resource planning system design and implementation projects. Prior to his time as a consultant, Man Chung was the senior Hyperion analyst for URS Corporation and the corporate controller for Pacific American Group, a real estate firm. A cum laude graduate of University of San Francisco, Man Chung holds a Bachelor of Science in Accounting and was the recipient of the Arthur Andersen Scholarship.
Judy Felipe, Operations Assistant
Judy provides administrative and operations support to the ZeroDivide team. She facilitates cross-team coordination and also assists with HR, IT and finance.
Judy works closely with ZeroDivide’s administrative and operations staff to help manage our day-to-day operations. She also provides HR, information technology and finance support and seamless coordination among team members. Judy has extensive experience in finance and operations within Silicon Valley’s semiconductor industry, and she applies this tech background in her role at ZeroDivide. She has previously worked as a financial accountant with AMD, the world’s second largest supplier of microprocessors, and as a tax accountant and financial analyst with Spansion, a developer of flash memory products. Judy also employs her talents as a part-time floral designer to brighten up our offices. She holds a Bachelor of Science in Health Sciences from San Francisco State University and originally hails from Hawaii.
Nasser Halteh, Technology Engineer
Nasser leads our in-office tech support and administration. He also carries out IT infrastructure assessments and tech trainings for ZeroDivide’s clients.
Nasser provides technology consulting to many small nonprofits on behalf of ZeroDivide, including through our Community Leadership Project. His experience with community and nonprofits makes him a culturally competent technology consultant with a nuanced understanding of nonprofit needs, including CRM, cloud infrastructure and technology planning.
Internally, Nasser is responsible for ZeroDivide’s network, hardware and software management and troubleshooting. He is also instrumental in our technology capacity-building work with the nonprofit community, using his experience to perform tech assessments and facilitate trainings. Nasser has a solid background in network security and software development from his previous role as a software tester at SureCircle.com. As a volunteer, he provides technical support to local nonprofits, including the Arab Cultural and Community Center, the St. Nicholas Church of San Francisco and ASK Academy. Nasser is a graduate of San Francisco State University with a Bachelor of Science in Computer Science.
Nasser is responsible for ZeroDivide’s network, hardware and software management and troubleshooting. He is also instrumental in our technology capacity-building work with the nonprofit community, using his experience to perform tech assessments and facilitate trainings. Nasser has a solid background in network security and software development from his previous role as a software tester at SureCircle.com. As a volunteer, he provides technical support to local nonprofits, including the Arab Cultural and Community Center, the St. Nicholas Church of San Francisco and ASK Academy. Nasser is a graduate of San Francisco State University with a Bachelor of Science in Computer Science.
Kathy Jimenez, Executive Coordinator
Kathy provides our Executive Management Team with administrative and development support.
Kathy’s exceptional service ensures the effectiveness of ZeroDivide’s executives. Prior to joining our staff, Kathy worked for the federal government. In 1989, she served as a resource coordinator for the San Francisco Division of the U.S. Bankruptcy Court’s Northern District of California. In this role, she documented processes and facilitated training for new employees, judges and attorneys. She also provided leadership and oversight for the implementation of the court’s electronic filing system. In 2003, she served as the executive assistant to the director of property management, general services administration. Kathy is a proud Bay Area native with five children and four grandchildren.
Vanessa Mason, Senior Manager, eHealth
Vanessa manages ZeroDivide’s eHealth project portfolio and identifies new opportunities for impact.
Vanessa contributes to the design, development, and adoption of products and services that promote eHealth equity. She also identifies opportunities and resources for partnership development and policy advocacy within eHealth. Vanessa began her career facilitating strategic partnerships and organizational development for projects funded by the Centers for Disease Control and Prevention and the National Institutes of Health. She has also led global health capacity-building efforts in Mozambique, Argentina and Brazil and supported mobile health product development for projects in West and East Africa. As an early employee of PAIR, a nonprofit startup that provides educational and mentoring programs for refugee youth, Vanessa led program development and strategic planning. She also previously conducted market opportunity assessments and product commercialization planning for pharmaceutical and biotech companies. She was the program manager for XX in Health, a nonprofit initiative that connects and empowers women innovators to drive change in health care. Vanessa earned her Bachelor of Arts from Yale University and her Master of Public Health from Columbia University.
McCrae Parker, Program Director
McCrae leads ZeroDivide’s tech capacity-building and broadband expansion projects. He also advises clients on youth and community development.
McCrae has managed ZeroDivide’s recent work with the National Technology Information Administration, Wells Fargo and Sierra Health Foundation. He has 20 years of experience in the youth development, workforce development and media education fields and has worked with organizations including Just Think!; ChildrenNow; the San Francisco Department of Children, Youth and Families; and the San Francisco Conservation Corps. Most recently, McCrae was the director of strategic initiatives at Youth Radio. McCrae studied comparative literature and film at Occidental College in Los Angeles.
Amro Radwan, Director of Technology
Amro guides ZeroDivide’s technology innovation and provides our clients with IT infrastructure management and technology training.
Amro is a technologist, social entrepreneur and youth mentor with a passion for helping underserved communities leverage technology to achieve social progress and economic opportunity. With more than 14 years of experience building and supporting technology infrastructure, Amro delivers quality services that fit the needs of social impact organizations. His experience spans work with some of the first corporate Windows NT- and Unix-based systems to consulting on Internet-based systems for large dot-com companies. Amro also helped start ASK Academy, a volunteer-based organization working to transform the educational, juvenile justice and foster care systems. Amro also engages at-risk youth in the San Francisco Bay Area to tell their stories through digital storytelling, music and other forms of art.
The Wellness Center, located in the historic General Hospital in the Boyle Heights neighborhood in Los Angeles, CA, is one of Amro’s more comprehensive eHealth projects. He oversaw the development of an IT requirements documentation and planning process for the 17+ agencies that would be co-locating in this facility. He also helped the Wellness Center design and implement an intake system for care coordination / referral to the Wellness Center’s program partners.
Specific Subject-Matter Expertise:
Technology Related Project Management
IT / Technology Planning and Consulting
Database Architecture Design / Implementation
Network Infrastructure Design / Implementation and Engineering
End-User Technology Training and Documentation
Mike Rubio, Program Director
Mike manages ZeroDivide’s tech capacity-building and youth development programs.
Mike is currently leading our work with The California Endowment. He brings more than 15 years of experience in youth development and youth organizing, cross-sector collaboration and large-scale program planning and implementation to ZeroDivide. Prior to joining our team, Mike established Poder Solutions, LLC, a consulting business that provides nonprofit organizations with program development and design, strategic planning and organizational development assistance. Mike has held key positions at Youth Radio, Youth UpRising and most recently served as the Healthy Richmond Hub youth organizing director at the RYSE Youth Center. Mike currently sits on the board of Oakland Dollars for Scholars.
Renaissance Journalism Team: Jon Funabiki, Executive Director, Renaissance Journalism
Jon leads the Renaissance Journalism team and teaches journalism at San Francisco State University.
Jon’s career has spanned journalism, philanthropy and academia, and he currently serves as the executive director of Renaissance Journalism, a fiscal partner incubated by ZeroDivide. Jon began teaching at San Francisco State University after an 11-year career with the Ford Foundation, where he served as the deputy director of the Media, Arts and Culture unit in New York. Jon is the former founding director of San Francisco State University’s Center for Integration and Improvement of Journalism and a former newspaper journalist with U-T San Diego, where he specialized in U.S.-Asia political and economic affairs. A graduate of San Francisco State University, Jon was awarded the John S. Knight Journalism Fellowship at Stanford University; the Jefferson Fellowship at the East-West Center in Honolulu; and a National Endowment for the Humanities Professional Summer fellowship at the University of California, Santa Barbara. In addition to running Renaissance Journalism, he is the founding executive director of San Francisco State’s Dilena Takeyama Center for the Study of Japan and Japanese Culture.
Renaissance Journalism Team: Valerie Chow Bush, Deputy Director, Renaissance Journalism
Valerie helps direct Renaissance Journalism’s work.
Valerie Chow Bush is a former journalist who has more than 15 years of experience in communications, media relations, project management and writing and editing. Prior to joining Renaissance Journalism, Valerie was the communications and marketing director at California Institute of Integral Studies, where she spearheaded the university’s integrated communications strategy, new brand identity and website. Her experience includes serving as the executive director of the Asian American Journalists Association, as well as working as a reporter for the Marin Independent Journal, an assistant editor at The Village Voice, and as the editorial director for the Maynard Institute. Valerie is the editor of four books of creative writing by at-risk youth, published by WritersCorps, and co-editor of Jump Write In! Creative Writing Exercises for Diverse Communities, Grades 6-12, published by Jossey-Bass. She was a criminal justice advocate for battered women and a co-founder of the San Francisco-based Asian Women’s Shelter before pursuing a career in journalism and communications. She holds a Bachelor of Art from University of California, Berkeley, and a Master of Art from Columbia University Graduate School of Journalism.
Rick Johnson, Director of Technology
Rick is one of ZeroDivide’s technologists, meeting our enterprise clients’ needs for culturally competent user interfaces and tech adoption strategies.
Rick is committed to making technologies more accessible for vulnerable and underserved populations. He brings an extensive background in client-facing web and mobile product development and management, and his prior experience includes work with small to Fortune 500 banking institutions. While at Bank of America, he received the World-Class Customer Experience Award for driving significant user experience improvements to their online banking website. Rick also enjoys sharing his knowledge about product management and Lean Startup software methodologies as a lead instructor at General Assembly. He holds a Bachelor of Science in Business Administration from Auburn University and has completed executive coursework at the Haas School of Business at the University of California, Berkeley.