Who We Are

Staff | Board of Directors | Advisory Council


Darlene Weide, M.P.H., M.S.W., Executive Director
(415) 920-3820 x105

Darlene has worked in the nonprofit sector- primarily in HIV prevention, women’s health and youth community-based programs– for nearly twenty years. Her current work focuses on enhancing the effectiveness and impact of organizations. At Community Boards, she collaborates with the Board of Directors, staff, and volunteers to build on Community Boards’ tremendous track record. Darlene is the author of Safe Schools for Everyone: Responding to Anti-LGBTQ Bias in the Classroom & on the Playground, as well as Conflict Resolution Skills for the Jossey-Bass textbook Foundations for Community Health Workers. She is an experienced mediator, trainer and teacher. She is also a faculty member at City College of San Francisco in the Health Education and Community Health Studies Department where she teaches public health courses and Conflict Resolution in the Workplace.

Karen H. Lipney, Alternative Dispute Resolution Programs Director
(415) 920-3820 x109

As ADR Programs Director, Karen draws on years of experience working as an attorney for a national labor union. In a career transition, Karen focused on mediation to expand her legal and organizational skills. Since 2014, Karen has worked as a volunteer Community Mediator, Conflict Coach, and Facilitator. She’s a native San Franciscan and giving back to the community is part of her family heritage.

Arnold “Mac” McGilbray, Case Development Manager
(415) 920-3820 x103

Arnold “Mac ” McGilbray, our Case Development Manager, joined our staff in 2005.  He comes to us with a background in law, marketing, contracting, negotiation and EEO compliance.  As Case Development Manager, Mac is responsible for all contact and coordination with the disputing parties following the initial intake. Mac also manages key components of our low-cost Professional Mediation services.

Shana_Sylva_WebsiteShana S. Sylva, Community Outreach Coordinator
(415) 920-3820 x102

Shana leads our outreach efforts and makes presentations about Community Boards and its many conflict services at meetings and public events. She is a vibrant and compelling speaker. Shana is working on her youth development certification at City College of San Francisco. She has always been interested in conflict and the ways to resolve it, which began when she trained as a middle school peer mediator.

Jim Garrison, Communications Director
(415) 920-3820 x104

Jim has been associated with Community Boards in various capacities since 1988.  His primary responsibilities are managing the website, oversight of social media and e-communications, and the design and production of outreach, public education, and marketing collateral pieces.  As in-house technical writer, he drafts, edits, and finalizes our training materials and grants.

Liliya Shilman, Finance Manager
(415) 920-3820 x106

Liliya has been with Community Boards since 2002.  Beyond managing Community Boards’ day-to-day financials, Liliya is responsible for maintaining all grants, contracts, and the multitude of recordkeeping pertinent to our nonprofit status. She has additional responsibilities for our membership program, critical parts of the organization’s regular audits, and human resource policies and records.

You may email any staff member via our general mail at Learn_More@communityboards.org.  Please include the person’s name in the subject line.


Geri_Lynn_GreenGeri Lynn Green, President
Geri is a San Francisco lawyer specializing in trial and appellate litigation in federal and state courts. She has substantial trial experience, authored more than 200 appeals, and extensive expertise in complex litigation. Geri has been an active Board Member of Legal Services for Prisoners with Children and the California Trial Lawyers Association, and a member of the Bringing Human Rights Home Lawyer’s Network. In addition, Geri has written reports and presented before United Nations bodies and trained lawyers concerning human rights violations in U.S. prisons and has co-authored a manual on drafting shadow reports for the United Nations’ Treaty Bodies, Demanding Our Rights.

Allen_Brandt_BoardAllen Brandt, Esq.
Allen is Counsel in Pillsbury Winthrop Shaw Pittman’s San Francisco litigation department.  He holds a double Bachelor of Arts in History and English from the University of California, Berkeley and a law degree from UCLA Law.  In his legal practice, he specializes in insurance matters (representing companies against their insurers), federal Indian and tribal law, and corporate governance.  As a corporate litigator, Allen understands the draining effect of unresolved conflicts.  He has also seen firsthand the relief that accompanies effective dispute resolution.  Allen is excited to work with Community Boards to build better communities through constructive dispute resolution.

Roosevelt_Callahan_BoardRoosevelt Callahan
Roosevelt currently works as the Director of Strategic Initiatives for First Place For Youth. Prior to this, he held several roles across Teach For America, including managing and supporting a portfolio of regions, leading operations and logistics for the New York Training Institute and managing large technology projects. Roosevelt has also led instructional operations for Success Academies Charter Network and has worked as a business analyst in the financial services industry and management consultant in the technology industry.  Roosevelt currently resides in Oakland, CA and is a graduate of North Carolina A&T State University with a degree in Computer Science.

Paula_ConnellyPaula Connelly, Vice President
Paula joined Community Boards in 2014 and now volunteers as a Community Mediator, conflict coach and facilitator. Passionate about adult learning, she worked at the Renaissance Entrepreneurship Center leading a training program on how to start and grow a small business. She worked at the San Francisco Bay Guardian as an advocate for freedom of speech and small business. Paula believes that individual empowerment transforms communities. Her extensive trainings and volunteer experiences at Community Boards have been both personally and professionally rewarding.  She is excited to contribute to Community Boards’ 40-year legacy as a valuable community resource. Paula currently works as a freelance consultant.

Sachin_Ganpule_BoardSachin Ganpule, Secretary
Sachin is an audio engineer at Dolby Laboratories in San Francisco, and is a trained Community Mediator volunteer with Community Boards. He is amazed by the power of the process, and inspired by what empathy, open dialog, honest communication, and self-reflection can bring to human interactions in any space, and at any scale. Sachin is a Bay Area native, and is committed to improving the community.


Mangels_Bonnie_Board Bonnie Mangels, Esq.
Bonnie has a strong passion for conflict resolution, mediation, and collaborative practices, and is currently the Corporate Counsel and Senior Compliance Manager at Sequoia Consulting Group.  As an attorney who has represented parties in litigation, she has seen the value of mediation as a tool for transforming relationships, both personal and professional. In law school, Bonnie served as a mediator for the San Francisco Small Claims Court and is presently a volunteer mediator with Community Boards, the Office of Citizen Complaints, SEEDS Community Resolution Center, and the Center for Human Development.  Bonnie is excited to be part of an organization that promotes conflict resolution and collaboration in our community.

Serena_Mau_BoardSerena Mau, LEED GA, Treasurer
Serena is a sustainability practitioner dedicated to addressing energy and sustainability issues, fostering a circular economy, and achieving social justice. Having worked in the public, private and non-profit sectors, she recognizes the importance of dialogue, mutual respect and diverse perspectives to create collaborative, inclusive solutions. Serena has lived in a number of cities in Canada and the U.S. and currently works as a Sustainability Program Manager at Autodesk. She studied Integrative Biology and Legal Studies with a minor in Energy and Resources at UC Berkeley, and earned her master’s in Energy and Environmental Analysis from Boston University.

olivia_sinaiko_cbOlivia Sinaiko
A San Francisco native, Olivia is passionate about the power of communication and the strength of community.  She is a mediator, communication coach, and collaborative attorney, who has devoted her career to helping people navigate conflict in a way that is both respectful and productive.  After law school, Olivia spent several years facilitating creative solutions to natural resource conflicts in southeast Alaska, working with a wide range of stakeholders, including tribal governments, rural communities, non-profit advocacy groups, municipalities, corporations, and the U.S. Senate.  Now an associate with the Law & Mediation Offices of Suzan Barrie Aiken, Olivia’s current practice focuses on couples, co-parents, adult family members, neighbors, and co-workers.  She is a proud graduate of the SF Unified School District, earned her undergraduate degree from Stanford, and her law degree from Yale Law School.

Stender_Marvin_BoardMarvin Stender
Marvin is a new member of Community Boards, but comes with extensive expertise having served on a variety of political and public service nonprofit boards of directors. He is a lawyer who specialized in both plaintiff’s personal injury and criminal defense litigation.  As a longtime resident of San Francisco, Marvin knows that alternative conflict resolution is an extremely effective way to lessen the strains of urban living in unsettled times.


Victoria_Borrego_Swepson_3Victoria Borrego Swepson, Treasurer
With over 15 years at Wells Fargo Bank, Victoria describes herself as an intellectually curious finance leader who thrives on learning, solving interesting questions, and inspiring others. She has held management positions supporting retail banking, wealth management, and wholesale banking.  Victoria holds a Bachelor of Science in Business Administration from Oklahoma State University, and a Master of Arts in Economics from the University of California at Berkeley.  She lives in San Francisco with her husband and son, and frequently volunteers with various organizations in the community.

Michael_Tobriner_BoardMichael Tobriner
Michael Tobriner has practiced family law in San Francisco for over 25 years. Michael is a Certified Family Law Specialist through the State Bar of California and a Fellow of the American Academy of Matrimonial Lawyers. He is recognized by the family law bench and bar as a leading family law practitioner. Michael’s practice emphasizes collaborative practice and mediation. He views his role as that of a guide to the parties in working out for themselves the highest and best outcomes for the family.

Richard_Yuen_BoardRick Yuen
Rick is Assistant Dean and Judicial Officer, Emeritus- Stanford University. Rick’s Stanford career started in 1989 as the first full time Dean and Director of the Asian American Activities Center where he created student resources to enhance mentoring, leadership and innovation with undergraduate and graduate students. He also served as the Dean overseeing freshmen class council activities. In 2005, Rick was appointed Judicial Officer to provide outreach and to investigate alleged violations of the University Honor Code and Fundamental Standard. He sought to resolve cases utilizing student/faculty hearing panels as well as Restorative Justice practices. Rick is a resident native of San Francisco and continues to volunteer as a reading buddy for a first grader in the San Francisco public school. He is excited to be active with the Community Boards in pursuing a passion for conflict resolution.


Tracy Lemmon, Chair | Terry Amsler | Bob Bailey | Kathleen Coogan | Jon Eldan | Bill Hafferty | Fred Lambright | Joseph Ragazzo | Gail Sadalla | Julia Salinas | Elizabeth Shwiff | Teri Sklar | Charles Spiegel | Marion Standish