David L. Ach
David L. Ach is a partner specializing in estate and tax planning, probate and trust administration. His work with clients includes helping them develop a full picture of their resources and goals, both family and tax-related, and then crafting an estate plan to satisfy those goals. Tools may include revocable and irrevocable trusts, wills, and documents related to health care and financial management. He also provides legal counsel to personal representatives – executors, trustees, and private and corporate fiduciaries – in probate and trust administration matters. David is a member of the State Bar of California, which has certified him as a Certified Specialist in estate planning, probate and trust law.
David graduated from the University of California, Davis, Martin Luther King School of Law in 1977. He holds a Bachelor of Arts degree from Harvard University (1969) and a Masters in Education from Springfield College (1971). David’s professional associations include the San Mateo County Bar Association and the Financial Planning Forum in Palo Alto, of which he served as President in 1987-88. David has been a presenter on probate and trust administration and estate planning for numerous programs of the California Education of the Bar.
Kimberly J. ("Kim") Brummer
Kimberly J. Brummer (Kim) is a partner specializing in estate planning and administration. She designs customized estate plans, which include trusts, wills, durable powers of attorney, and advance health care directives. Kim regularly counsels individuals, couples, and families regarding selection of fiduciaries, minimization of estate tax liability, and guardianship of and financial management for minor children.
Prior to joining the firm in 2015, Kim had a solo estate planning practice in Los Altos for several years. She began her legal career at Heller Ehrman LLP and Jones Day. In 2007, she was honored as a Southern California Super Lawyers Rising Star (a distinction reserved for the top 2.5% of up-and-coming attorneys under age 40).
Kim earned her law degree from New York University School of Law in 2003, where she was Chairperson of the Moot Court Board and was named to the Order of the Barristers. Kim received her Bachelor of Arts cum laude degree from the University of Pennsylvania in 1996. Kim is a member of the State Bar of California and is admitted to practice before the United States District Courts for the Northern, Eastern, and Central Districts of California.
Kristina A. Fenton
Kristina A. Fenton is a partner specializing in estate planning, trust administration, and probate. Prior to joining Jorgenson, Siegel, McClure & Flegel, LLP, in 2007, she spent a year practicing trusts and estates law in Burlingame. Kristina has experience drafting trusts, wills, durable powers of attorney, advance health care directives, and other various estate planning documents, as well as preparing and filing estate and gift tax returns.
Kristina received her law degree from Santa Clara University School of Law in 2006 and her Bachelor of Arts degree from the University of California, San Diego, in 2003. She is a member of the State Bar of California and the San Mateo County Bar Association.
Estate Planning, Trust Administration & Probate
John L. Flegel
John L. Flegel is a partner specializing in civil litigation. His civil litigation practice covers a broad area, including municipal law, real estate, business torts, contracts, trust administration, and personal injury. John has represented both plaintiffs and defendants and has extensive experience in both jury and non-jury trials in both State and Federal Court. He has also handled appeals in both State and Federal Courts. John has represented the cities of Menlo Park, Portola Valley and Morgan Hill in defense of inverse condemnation claims, defense of claims for excessive force against police officers, and defense of personal injury claims arising out of pedestrian and vehicular accidents. John’s litigation expertise in real estate matters include claims of adverse possession, prescriptive easements, nuisance, trespass, quiet title, and actions involving failure to disclose known defects. His business litigation expertise includes disputes over sales agreements, breach of contract, conversion, unjust enrichment, debt collections, and unfair business practices. John’s trust administration cases have included claims of breach of fiduciary duty, elder abuse, petitions to modify trust documents, and actions to determine validity of wills and trusts.
John received his law degree from the University of Santa Clara School of Law in 1973 and his Bachelor of Science degree from Claremont Men’s College (now Claremont McKenna College) in 1970. He is a member of the State Bar of California and the San Mateo County Bar Association. He is also a member of the Menlo Park Rotary Club, serving as president of the club in 1994-1995, and serving as president of the Menlo Park Rotary Club Foundation in 2004-2005.
Nicolas A. ("Nick") Flegel
Nick Flegel is a partner specializing in civil litigation, including contract, business, tort, and real estate disputes. Nick routinely appears in State and Federal Court, and handles all aspects of litigation including discovery, law and motion, court and jury trials, alternative dispute resolution and appeals. Nick serves as defense counsel for both the City of Menlo Park and Town of Portola Valley, and advises both entities on public records requests and other administrative matters. In addition to his litigation practice, Nick has experience in assisting clients with real property tax assessment appeals.
Nick received his law degree from Santa Clara University in 2003 and his Bachelor of Arts degree from Occidental College in 1999. He is a member of the State Bar of California and is admitted to practice before the United States Court of Appeals for the Ninth Circuit and the United States District Court for the Northern, Eastern, and Central Districts of California. He is an active member of the San Mateo County Bar Association, serving on a number of committees.
Jennifer H. Friedman
Jennifer H. Friedman is a partner specializing in estate planning, estate and trust administration, gift and estate tax law and business formation and planning. She has extensive experience and expertise in: counseling clients regarding their personal estate and business planning; drafting of trusts, wills, durable powers of attorney, health care directives, and other estate and gift planning documents; pre- and post-death tax planning for individuals, trusts and estates; preparation and filing of estate tax returns and gift tax returns; charitable and wealth transfer planning; and planning for domestic partners. Jennifer is certified by the State Bar of California as a specialist in estate planning, trust and probate law.
Jennifer received her law degree from the University of California, Berkeley, Boalt Hall School of Law, in 1997 and her Bachelor of Arts degree from Stanford University in 1994. She is a member of the American Bar Association and the State Bar of California. Her professional affiliations include the San Mateo County Bar Association, the Palo Alto Area Bar Association, the Silicon Valley Bar Association and the Peninsula Professional Subcommittee of the Jewish Community Endowment Fund. In 2003 she served as co-chair of the Women Lawyer’s Section of the Palo Alto Area Bar Association. Jennifer is on the Board of Directors of the Art of Yoga Project and is a member of the Philanthropy Advisors Council of the Palo Alto Medical Foundation. Jennifer is conversationally fluent in Spanish and Italian.
Gregory K. ("Greg") Klingsporn
Greg Klingsporn is a partner specializing in civil litigation, with a focus on real estate, land use and commercial disputes, who has been practicing in the Bay Area since 1999. Greg has represented both plaintiffs and defendants at trial and has also handled appeals, including the published opinion of Friends of Juana Briones House v. City of Palo Alto (2010) 190 Cal.App.4th 286, 118 Cal. Rptr. 3d 324. Greg’s litigation expertise in real estate matters includes CEQA compliance, adverse possession, boundary disputes, easements, nuisance, trespass, quiet title, failure to disclose known defects, and construction defects. His business litigation expertise includes disputes regarding on-line services agreements, breach of contract, fraudulent misrepresentation, and debt collections.
Greg joined the firm in 2013. Prior to joining the firm, Greg was a partner in the Palo Alto firm of Mitchell, Herzog & Klingsporn and an associate at Cooley LLP. He is a member of the State Bar of California.
Greg received a J.D. degree in 1999 from the Columbia University School of Law, where he was the Note Editor for the Columbia-VLA Journal for Law & The Arts. He received a Bachelor of Arts degree in English and Creative Writing (with Departmental Honors) in 1992 from Stanford University. He was a member of the United States National Rowing Team in 1995 and 1996, and represented the U.S.A. at the 1995 Pan American Games, where he won a gold medal in the lightweight four without coxswain. In 2009, Greg was appointed to the Menlo Park Bicycle Commission and served as Chair in 2011 and 2012.
William L. ("Bill") McClure
Bill McClure is a partner specializing in real estate, land use, business, and municipal law who has been practicing in Menlo Park since 1978. His real estate practice involves negotiating and drafting documents and counseling clients regarding commercial and residential purchase and sale agreements; commercial, industrial, and residential leases and ground leases; construction and financing documents; CC&R's, due diligence materials and dispute resolution. In the area of land use, Bill counsels governmental and private clients on land use entitlements, CEQA and Subdivision Map Act compliance, general plan amendments, rezoning, redevelopment plans, development agreements, disposition and development agreements, owner participation agreements, and negotiations with and for local agencies. In the area of business law, he counsels clients and negotiates and prepares documents relating to business contracts, corporations, partnership agreements, limited liability documents, and buy-sell agreements. Bill retired, February 29, 2020 as the City Attorney for the City of Menlo Park where he had served as City Attorney since 1993. He also provides advice to other cities on a contract basis for special projects and conflict matters.
Bill received his law degree, with honors, from the University of Santa Clara in 1978 and his Bachelor of Arts degree from the University of California, Davis in 1974. His professional affiliations include the State Bar of California (Real Estate Section), San Mateo County Bar Association (Real Estate and Municipal Law Sections) and the Palo Alto Bar Association.
Kent Mitchell is an attorney who specializes in real estate sales, acquisitions, financing and tax deferred exchanges. Before becoming Of Counsel to the firm in April 2015, he was the founder and senior partner of the Palo Alto law firm of Mitchell & Herzog between 1968 and April of 2015. He brings his extensive experience and client relationships with him to the firm. For his commercial property clients, Kent negotiates and drafts purchase and sale agreements, loan documents, leases, common ownership agreements, partnership, limited liability company, and corporate documents, advises on real estate disputes and litigation matters, municipal zoning matters, property tax assessment appeals and planning, and succession planning for family owned real estate properties. Kent has also developed a significant estate planning practice, which he will continue with the assistance of the firm’s attorneys specializing in estate planning and tax matters.
Kent served 12 years on the Portola Valley Town Council, including 3 terms as Mayor, when he was instrumental in representing and leading the Town’s successful efforts to preserve as permanent open space the 1500 acre Windy Hill area forming the backdrop for the Town of Portola Valley and surrounding Mid-Peninsula areas.
Kent received his law degree from Boalt Hall School of Law in Berkeley in 1964 and his Bachelor of Science degree in mathematics from Stanford University in 1961. Kent also won Olympic Bronze and Gold Medals in Rowing at the 1960 and 1964 Olympics and coached the US National Rowing Team at the 1966 World Championships. He has served as an analyst for ABC-TV and NBC-TV at the Los Angeles, Seoul and Barcelona Olympics, is a founder and trustee of the National Rowing Foundation, and is a member of both the Stanford Athletics Hall of Fame and the U.S. Rowing Hall of Fame. Kent and his wife, Jo Ann, have lived in Portola Valley with their family since 1973.
Leigh F. Prince
Leigh F. Prince is a partner who specializes in land use, real estate, and municipal law. Leigh represents municipalities, private developers, and individual real property owners. Her land use work focuses on all aspects of the entitlement process, including, but not limited to, zoning and general plan compliance, subdivision, use permit and variance applications. Leigh has significant experience supervising staff and consultant teams through the California Environmental Quality (CEQA) process. She has worked on a variety of projects from single-family subdivisions and multi-family housing, including projects utilizing State Density Bonus Law, to mixed use and large commercial/office projects. Her land use practice is comprehensive, from due diligence to obtaining entitlements and defending project approvals in writ of mandate actions. Leigh’s real estate practice includes negotiating and drafting contracts, purchase and sale agreements, leases, and covenants, conditions, and restrictions. Leigh has a strong understanding of basic municipal law principles, such as the Brown Act and conflicts of interest, as well as how to navigate the local political process.
Before joining the firm in 2006, Leigh was a Deputy City Attorney for the cities of Monte Sereno and Scotts Valley. During her time with the firm, Leigh worked for the City of Menlo Park as the Assistant City Attorney on many large and complex development projects, including several development agreements for Facebook campuses. She also served as the Town Attorney for the Town of Portola Valley.
Leigh received her law degree from the George Washington University School of Law in 2002 and her Bachelor of Arts degree from the University of California, Davis in 1998. She is a member of the State Bar of California, the Santa Clara County Bar Association, and the San Mateo County Bar Association. Earlier in her practice, Leigh was named a Northern California Rising Star for Land Use & Zoning.
Mindie S. Romanowsky
Mindie S. Romanowsky is a partner specializing in real estate, land use and municipal law. Her practice covers a broad range of matters including commercial and residential purchase and sale transactions and leases; land use entitlements; CEQA and Subdivision Map Act compliance; and providing advice to public agencies on local government law. Mindie represents and counsels corporate and individual clients on all aspects of the land planning and development process, including obtaining necessary zoning and permitting approvals from public bodies and agencies. She has significant experience with a variety of corporate campus development projects including technology companies, a major pharmaceutical company, and a local hospital. In addition, Mindie assists the City Attorney for Menlo Park and the Town Attorney of Portola Valley with a variety of municipal matters.
Mindie received her law degree from the University of the Pacific, McGeorge School of Law in 1997 and her Bachelor of Arts degree from the University of California, Los Angeles, in 1993. She is a member of the American Bar Association and the State Bar of California. Her professional affiliations include the San Mateo County Bar Association, the Palo Alto Bar Association and the Women Lawyers Committee.
Dan K. Siegel
Dan K. Siegel is a partner specializing in real estate, contract negotiation, and municipal law. He has been practicing in Menlo Park since 1992. Dan’s real estate practice involves negotiating and drafting documents and counseling clients regarding commercial and residential purchase and sale agreements and leases. In the area of construction, Dan represents homeowners, developers, contractors, subcontractors and architects in every step of the process, including negotiation and contract formation. In addition to negotiating construction and real estate contracts, he also regularly reviews and negotiates business and employment contracts. Dan also analyzes property tax assessments and files appeals on behalf of property owners. In the area of municipal law, Dan has served as an assistant to the City Attorney for the City of Menlo Park since 1994, as District Counsel for the Los Altos Hills County Fire District since 2013, as an assistant to the Town Attorney for the Town of Portola Valley since 1996, and as Interim City Attorney for Morgan Hill from 2004 to 2006 and again in 2008.
Dan obtained his law degree from the Cornell University in 1992 and his Bachelor of Arts degree, with honors, from the University of California Berkeley in 1989. He was a past president of the San Mateo County Legal Aid Society and is a member of the State Bar of California and the San Mateo County Bar Association (Municipal Law Section).
Cara E. Silver
Cara Silver is a partner specializing in land use, municipal, housing and contract law. She serves as Town Attorney for the Town of Portola Valley and previously served as Interim City Attorney for the City of Menlo Park. Her land use experience involves all aspects of land use and zoning entitlements, including CEQA compliance, development agreements, general plan amendments, and rezoning. Her municipal experience includes public contracting, bid protests, election law, municipal taxation and drafting legislation in areas of zoning, telecommunications, tax and environmental sustainability. Her housing experience involves advising on the State Density Bonus law, housing element law and affordable housing. Her contract negotiation practice involves negotiating and drafting public/private partnership documents, construction documents and counseling clients regarding real estate purchase and sale and lease agreements.
Prior to joining the firm in 2017, Cara served as the Senior Assistant City Attorney for the City of Palo Alto specializing in land use, zoning and entitlement work. In addition, Cara served as the Deputy City Attorney for the City of Santa Monica specializing in municipal and real estate litigation.
Cara received her law degree from Loyola Law School in 1988, where she served as the Note and Comment Editor of the Loyola Law Review. She received her Bachelor of Arts degree from the University of California, Los Angeles in 1985. Her professional affiliations include the State Bar of California (Municipal Law Section), the League of California Cities, the Bay Area City Attorneys’ Association and the San Mateo County Bar Association.
Camas J. Steinmetz
Camas Steinmetz is a partner, who specializes in land use, real estate and municipal law. Her practice covers all aspects of the land use and development process including due diligence, acquisition, construction, strategic entitlement planning, environmental review under the California Environmental Quality Act (CEQA), and processing and obtaining entitlement permits and approvals including use permits, coastal development permits, site development permits, zoning and general plan amendments, subdivision and parcel maps, SB 9 lot splits, lot line adjustments, mergers, variances, annexations, design review and site development permits, and public right of way, street and easement vacations. Camas represents corporate, individual, non-profit and public agency clients on a wide variety of projects including complex mixed-used office infill projects, life science campuses, hotels, alternative energy projects, private school campuses, fire stations, community centers, sea level rise protection and levee projects, senior, multifamily, affordable and density bonus housing projects, subdivisions, new home construction, boundary disputes, and accessory dwelling units. Camas’ expertise includes CEQA, Subdivision Map Act, Local Coastal Act, Clean Water Act, Williamson Act, State Density Bonus Law, Brown Act, SB 9, Initiative and Referendum Law, Government Code, Education Code, and Planning and Zoning Law.
Prior to joining JSMF, Camas was a partner at Aaronson Dickerson Cohn & Lanzone (2011-2022), an associate at two national law firms, Manatt Phelps & Phillips LLP (2007-2011) and Bingham McCutchen, LLP (2006-2007), and an associate at JSMF (2002-2006). Before graduating from law school, Camas served as a legal intern for the United States Department of Justice in the Environmental Enforcement Division and as a judicial extern for the Honorable Lawrence K. Karlton, United States District Court Judge, Eastern District, California.
Camas earned her law degree from the University of California, Davis and her Bachelor of Arts degree in Environmental Studies from the University of California, Santa Cruz. She is a Palo Alto native graduating from Palo Alto High School (“Paly”), and a member of the State Bar of California and the San Mateo County Bar Association. Earlier in her practice, Camas was named a Northern California Rising Star for Land Use & Zoning by Super Lawyers Magazine.
Brittney L. Standley
Brittney L. Standley is an attorney specializing in estate planning and administration. Brittney joined Jorgenson, Siegel, McClure & Flegel, LLP, in July of 2019. Before attending law school, Brittney gained experience working at a boutique family law firm in San Jose, California. After attending law school, and before joining Jorgenson, Siegel, McClure & Flegel, LLP, Brittney practiced as a family law associate with a focus on the division of the financial assets during a dissolution of marriage.
Brittney received her law degree from Santa Clara University School of Law in 2018 and her Bachelor of Arts degree in Psychology, with a minor in Human Development, from University of California, San Diego, in 2012. During her time in law school, Brittney received the Witkin Award for Academic Excellence in Appellate Advocacy and earned a spot as a participant in Honors Moot Court, Internal. She is a member of the State Bar of California.
Christian D. Petrangelo
Christian D. Petrangelo is an associate who practices in the areas of real estate, land use, municipal law, and litigation. Christian joined Jorgenson, Siegel, McClure & Flegel, LLP in April 2022. Before joining the firm, Christian was a Regulatory Specialist on the environmental, health, and safety (EHS) team at Meta via Milestone Technologies, Inc., where he helped to build out Meta’s EHS compliance program while monitoring and interpreting laws and regulations to determine their impact on global operations. Previously, Christian was a Senior Regulatory Consultant at Enhesa, Inc., advising Fortune 500 multinational clients on the EHS regulatory compliance obligations of their operations and products under U.S. & California law.
Christian received his law degree in 2012 from Vermont Law School, where he served as Senior Managing Editor of the Vermont Law Review. Prior to law school, he received a Master of Science degree in Environmental Policy & Regulation from the London School of Economics and Political Science in 2009 and a Bachelor of Arts degree from Middlebury College in 2006. He is a member of the State Bar of California and the State Bar of Massachusetts.
Diane S. Greenberg
Diane S. Greenberg is a partner specializing in estate planning, trust administration and probate. Her estate planning practice covers a broad range of matters, including wills and revocable trusts, qualified personal residence trusts, life insurance trusts, irrevocable trusts for children and other strategies for transferring wealth in a tax-advantaged manner, premarital agreements, powers of attorney and health care directives. Diane also represents individual trustees and executors, private fiduciaries and bank trust departments in trust administration and probate proceedings, including litigation of contested inheritance matters. Diane also prepares agreements between co-owners of real property and handles property tax issues and other post-administration real estate matters.
Diane received her law degree from New York University School of Law in 1971 and her Bachelor of Arts from Barnard College (Columbia University) in 1968. She is a member of the State Bar of California and the San Mateo County Bar Association. She provides pro bono legal services to the Trust for
Hidden Villa, having served on its Board for over 15 years, and has served on the Planned Giving Council of the Lucile Packard Children's Hospital and the
Peninsula Professionals Subcommittee of the Jewish Community Endowment Fund.