Staff:



Ivey Kaiser, Executive Director

Ivey grew up in Columbia, South Carolina where she attended the University of South Carolina and began her love of working with environmental advocacy and outdoor recreation. Since moving to Austin in 2011, she has worked with Keep Austin Beautiful and REI, managing community programs, events and corporate grant giving. Ivey has been involved with Shoal Creek Conservancy since its inception and joined the staff as Executive Director in 2019. In her spare time, Ivey enjoys exploring local trails and rivers and spending time with her large herd of animals, husband and daughter.


Nina Rinaldi, Projects & Policy Manager

An Austin-born Oregonian, Nina grew up in the Pacific Northwest and attended the University of Oregon. She feels privileged to serve the public in a role that explores the intersections of outdoor recreation, science, policy, and community. Nina enjoys canoeing, reading, and taking walks around Austin.


Maria Darr, Programs Manager

Maria Darr previously served the Austin community as the Volunteer Engagement Manager at Austin Habitat for Humanity. She comes to Shoal Creek Conservancy with over five years of Volunteer Management experience, as well as a passion for the outdoors. Maria received her B.A. in Anthropology and Journalism from The University of Connecticut and her M.A. in Human Skeletal Biology from New York University. In her free time, Maria makes the most of her Texas State Parks Pass.


Sierra DaSilva, Watershed Coordinator

Sierra DaSilva grew up in the East Texas piney woods and moved to Austin in 2009. She has a background in Texas botany, ecological restoration and GSI, education, and working with volunteer crews. Sierra has previously worked for the Lady Bird Johnson Wildflower Center, taught ecology labs at Texas State University, held a fellowship with the Lewisville Aquatic Ecosystem Research Facility, and interned with Shoal Creek Conservancy. She holds an MS in Biology from Texas State. Sierra lives in South Austin with her husband, three year old son, dog, two rabbits, and six chickens. In her spare time she enjoys hiking and botanizing, photography, and gardening.


Emily Myers, Office Administrator
Emily’s background is in project management within numerous high tech industries, and she just has a knack for helping things run effectively and efficiently. Along with her organization and administration skills, she brings her love of healthy living and a healthy environment to the team. Emily is originally from Oklahoma but is working on her honorary Texan status by marrying a born and bred Texan (also her college sweetheart), living in the Dallas area for many years after graduating from Southern Methodist University, and moving to Austin in 2012 after 5 years in the San Francisco Bay Area.

Board of Directors:



Felicia Peña, President

Felicia Peña is a public affairs professional working in brand engagement and corporate social responsibility. She is currently a Manager of Public Affairs, Communications and Sustainability at The Coca-Cola Company where her focus is public affairs, government relations, stakeholder partnerships, strategic communications, sustainability and community related programming. Felicia previously worked as a Public Affairs Manager for H-E-B in the Central Texas Region and as the Director of Community Engagement at the Central Texas Food Bank.

Felicia graduated from the University of Texas at Austin with a B.S. in Communications and a B.A. in Sociology with a certificate degree in Social Entrepreneurship and Nonprofits. And she recently received a Master’s degree in Strategic Communication from American University.

In addition to serving on the board at Shoal Creek Conservancy, Felicia also serves on the boards of Austin Ed Fund, Con Mi MADRE, and Communities in Schools Central Texas, and supports numerous other organizations in leadership rolls such as the YWCA for Greater Austin, Young Hispanic Professional Association of Austin, YNPN Austin, and the Young Women’s Alliance.


Michelle Slattery, PLA, ASLA, Vice President
Michelle Slattery is a Landscape Architect.  She received a Master of Landscape Architecture in 2008 and a Bachelor of Science in Architectural Studies in 2005, both from The University of Texas at Austin.  She is particularly passionate about the preservation of cultural landscapes.  Michelle served as Chair of Inherit Austin, and on the Board of Directors for Preservation Austin from 2015-2017.  In 2018, Michelle was integral in the creation of the Shoal Creek Trail: Vision to Action Plan.

Ulf Habermann, Treasurer

As vice president at Cirrus Logic, Ulf leads financial planning and analysis, corporate real estate and facilities, as well as corporate procurement. Prior to joining Cirrus Logic, he for Advanced Micro Devices in both Austin, Texas, and Dresden, Germany. Ulf grew up in Berlin, Germany, and graduated with a degree in Business Administration with an emphasis in finance, controlling, and international business and management from the University of Applied Sciences of Nuertingen, Germany.  When not in the office, Ulf loves to pursue his passion of flying small aircraft.  He and his wife, Kathryn, live in South Austin.


Shannon Stagner, Secretary

Shannon is a native Austinite and taco lover who has been involved as a volunteer with Shoal Creek Conservancy since 2015.  As Vice President for Member Relations for United Ways of Texas, she brings expertise in nonprofit administration, capacity-building, program management, fundraising, and communication to the Conservancy’s Board.  Shannon is also an active member of the Junior League of Austin.


Clinton Sayers, Immediate Past President

Clinton is a commercial land broker with Sayers Real Estate Advisors, Inc​, a local real estate advisory firm founded in Austin in 1977​.  As an Austin native, Clinton has passion for facilitating the highest and best use of urban land in Downtown Austin and the surrounding Central Austin neighborhoods.  He is driven by the fundamentals of urbanism including sustainability, connectivity, community and a multi-modal city.  Clinton and his wife, Meghan, live in Old Enfield with their three children.


Brian Greig

Brian Greig is a native Austinite who attended Austin High School, Washington & Lee University, and the University of Texas School of Law. Greig practiced law with Norton Rose Fulbright for over 40 years before retiring and currently serves as a director of the Save Muny Historic District. He devotes his time to community service, having worked for several years on education and job training programs with Austin Community College and Central Texas school districts. Greig is also chairman of the Headliners Club, a downtown business club. His granddaughters especially love Shoal Creek.


Sara Koeninger

Sara recently retired from Balcones Resources after 25 years and held a number of positions including sales, marketing, and operations. She most recently served as Vice President – Corporate Services where she was responsible for a variety of functions within the company.  Sara has a BFA from Southern Methodist University and an MS in Environmental Planning from the University of Texas. She is a 5th generation Texan and native Austinite and lives downtown along Shoal Creek. She is actively involved with her favorite non-profits, Austin Pets Alive! and Shoal Creek Conservancy.


Hector Leiva, Jr.

Hector is originally from El Salvador and lived in Miami before settling in Austin six years ago, along with his wife and two daughters. He has a deep-seated appreciation for family, travel, and nature, which led him to living in Austin and joining the Board of Shoal Creek Conservancy. Hector works at Idea Public Schools as Chief of Staff for the Chief Human Assets Officer.  He brings valuable connections to our community’s families, as well as experience in professional communications, government relations, and diversity, equity and inclusion work. We look forward to working with Hector to continue to reach more of Austin and the surrounding area’s families and make the Shoal Creek Trail more welcoming and accessible for all.


Jeffrey Richard

Jeffrey Richard has more than 35 years of professional experience in high-level interaction with senior policy makers, business executives and elected officials at the local state and federal levels.  He has consulted with education and public sector clients in Washington, DC, Atlanta, Cleveland and Reno, and in every major city in Texas.  With only one exception, Jeffrey has met and worked with every President of the United States since the late Ronald Reagan, including President Joe Biden; and he has developed strong friendships with several members of Congress. He is a former executive staff member with the Greater Austin Chamber of Commerce and is also a lifetime member of both the NAACP and Urban League.

Jeffrey is himself a former regional locally elected official, having been elected to every Officer position on the Austin Community College District (ACC) Board of Trustees, including Board Secretary, Board Vice Chair, and Chairperson of the Board since 2004. Jeffrey is the former president and CEO of the Austin Area Urban League as well as Vice President of Education and Workforce Development for the Austin Chamber. He worked more than 12 years directly in Washington, DC as a staff member in the U.S. Congress–both in the House and the Senate–and also with the United States Conference of Mayors, where he helped to create the innovative Mayors Business Council.

Jeffrey earned a B.S. degree in Economics and Political Science from TCU and a Master’s degree in Public Policy in urban economic development from the John F. Kennedy School of Government at Harvard University. Jeffrey is also a licensed Christian Minister. He and his wife, Naomi, have an adult daughter, Rebecca, in law school.


Amy Wanamaker

Amy Wanamaker is the Director of The University of Texas at Austin’s Campus Real Estate Office.  She manages the acquisition, disposition, redevelopment, management, and leasing of a diverse portfolio of real estate assets throughout the globe for the university. In addition to acquisitions, project management and leasing, Amy has broad experience in commercial real estate brokerage, strategic planning, liquidating foreclosed commercial properties, and large scale auctions.


Catlin Whitington

Catlin Whitington is dedicated to the harmonies of events, culture, economics, and the urban environment.  As the VP of Campus Operations for the Long Center, he strives to enrich the iconic arts, music and civic space across the river from the mouth of Shoal Creek.  A native Austinite, he’s spent many days exploring the spaces along Shoal Creek’s many twists and turns, including hidden skate spots in the watershed’s northern reaches, the trails of Pease park, and the urban interface as it makes its way through Downtown.  You might spot Catlin and his family along the trail, enjoying crawfish at Shoal Creek Saloon, or sipping a morning coffee at the Central Library’s amphitheater and plaza.


Ted Siff, Founder and Former Board Member

Ted, president of Park Place Publications, LP, has been a senior manager and part owner of several Austin publishing companies including Third Coast Magazine, The Quorum Report, and Texas Monthly.  He has also been a leader in conservation and park advocacy as the Texas Director of the Trust for Public Land, a board member and then executive director of the Austin Parks Foundation and volunteer treasurer of numerous Austin and Travis County bond campaigns. He is a board member of other public interest and conservation nonprofits as well as board president of the Old Austin Neighborhood Association.


Perry Lorenz, Founding Board Member

Perry, principal of Austin-based real estate development company Constructive Ventures, has been actively involved in the ownership, management and development of downtown Austin real estate for more than 35 years. Notable projects include Saltillo Lofts, Spring, BartonPlace and The Independent. He is past Chair of the City of Austin Downtown Commission on which he served for 12 years and past Chair of the City of Austin Design Commission on which he served for 15 years.