Staff and Board

Children’s Surgery International’s staff and Board of Directors comprises individuals who represent an array of sectors from medicine to business. Such variety in expertise helps CSI maintain its versatility as an organization and allows us to consider various aspects of our growth and development.

Megan Sparks
Executive Director

Megan Sparks is an accomplished leader with extensive experience in healthcare access, rehabilitation, social services and nonprofit management. Megan lives in Minneapolis with her husband and two children. As the mother of a child with special needs, Megan understands firsthand the need for access to essential and life-changing medical care. She has traveled to Ethiopia and Mexico with CSI.

Lisa Masterson
Mission Operations Manager

Lisa has extensive experience in fundraising, logistics, project management and relationship building for non-profit organizations. She also has a background in therapeutic recreation and child development. Lisa lives in Northeast Minneapolis with her family. As Operations Manager, Lisa coordinates the planning and implementation of CSI surgical mission trips. Lisa joined the CSI Mexico team in Hermosillo in 2019.

Jen Nagorski
Office and Communications Manager

Jen has more than 10 years of experience in marketing, communication and graphic design. She is also a certified child life specialist at Children’s Minnesota. Jen lives in South Minneapolis with her husband and two daughters. As Office and Communications Manager, Jen develops and coordinates messaging to support mission operations, fundraising, and volunteer relations.

David Tetzlaff, MD
CSI Medical Director
Abbott Northwestern Hospital

CSI was thrilled when Dr. David Tetzlaff joined our leadership team as Medical Director in 2015. Dave is a Board Certified Hospitalist in Internal Medicine and Pediatrics and has been involved with CSI since 2005. He has served as lead physician on numerous site visits and medical missions, and his energy, knowledge and people skills make him a favorite with CSI volunteers. When David is not at the hospital or volunteering for CSI, he enjoys cooking and spending time with his family.

Siva Chinnadurai, MD, MPH
CSI Board Chair
Pediatric Otolaryngology and Facial Plastic Surgery, Children’s Minnesota

Siva Chinnadurai recently joined the team at the ENT and Facial Plastic Surgery clinic at Children’s Hospitals and Clinics of Minnesota. Prior to this, he was an Associate Professor of Otolaryngology at Vanderbilt University and worked in the Vanderbilt Institute for Global Health. In his clinical practice and research, he focuses on cleft lip and palate, speech disorders, and congenital disorders of the face, neck, and ears. Siva has traveled with CSI to Ethiopia, Tanzania and Vietnam.

Amy Fischer

Amy Fischer
CSI Board Vice-Chair
Infinity Direct

Amy Fischer has more than 25 years of experience as an editor and copywriter, from working at newspapers in Kansas, Missouri and New York, to her current role as an editor/copywriter for Infinity Direct in Plymouth, MN. She has been a volunteer for CSI since 2014 and joined the board in 2017. She traveled with CSI to Ethiopia and Liberia. Amy and her husband, John, live in Minnetonka and have three adult sons.

Peter Falker
CSI Board Treasurer
FalkerInvestments Inc.

Peter J. Falker is President of FalkerInvestments Inc., a Registered Investment Advisor providing investment management and financial consulting services. He has a B.A in Economics from the University of St. Thomas and earned the right to use the Chartered Financial Analyst (CFA) designation. He currently lives in Safety Harbor, FL with his wife and two children.  Peter joined the CSI board in 2019.

Neal Peterson

Neal Peterson
CSI Board Secretary
Dorsey & Whitney LLP

Neal Peterson is a partner at the international law firm of Dorsey & Whitney LLP where he is co-chair of the firm’s Health law practice group. He and his wife, Dr. Deanna Thompson, have two adult daughters and live in St. Paul. Neal has attended many CSI galas, and the stories he heard at them inspired him to find a way to get more involved. He joined the CSI Board in 2017.

Dody Barr, RN
NICU, Children’s Minnesota

Dody Barr has been a NICU nurse at Children’s Minnesota, Minneapolis for more than 30 years. She has been involved with CSI for more than 10 years, working in all nonsurgical areas and education. Dody lives in Minneapolis with her husband and has two grown sons. She has traveled extensively with CSI, most currently on surgical trips to Liberia and Ethiopia.

Jason DeShaw, CTP

Jason DeShaw is a Vice President of Operations at Trimble in the Transportation Sector. Jason has over 20 years of experience working with companies focused on improving processes via software solutions. He and his wife, Jennifer have a son and they live in Shakopee, MN. He joined the CSI Board in 2019.

Melanie McCall
Communications Consultant

Melanie McCall has more than 30 years of experience in communications and marketing leadership roles. Her most meaningful professional and volunteer work has been for nonprofit organizations, including the Saint Paul Chamber Orchestra, the Minneapolis Pops Orchestra, TakeAction MN and Westminster Presbyterian Church. She and her husband, Dr. Dan Sampson, live in Minneapolis and have two adult children. Melanie has traveled with CSI to Liberia, Mexico and Ethiopia. She joined the CSI board in 2015.

Conrad Nguyen
Founder, FirstStallion Group

Conrad Nguyen has spent the past 20 years in international business development and marketing leadership roles in the healthcare industry. Difficult challenges in his early life have made Con passionate about helping others develop, and he leads by example. Con was the recipient of the 2014 3MGives Global Volunteer Award. He has traveled with CSI to Liberia, Tanzania, and Vietnam.  

Brianne Roby, MD
Pediatric Otolaryngology and Facial Plastic Surgery, Children’s Minnesota

Brianne Roby is on staff at the Children’s Minnesota ENT and Facial Plastic Clinic and the Children’s Minnesota Craniofacial Clinic. She is the Director of the ENT and Plastic Surgery Fellowship at Children’s Hospitals and Clinics of Minnesota and the University of Minnesota. Her interests include all aspects of pediatric otolaryngology and facial plastic surgery, including cleft repair. She joined the Board in 2017 and has traveled to Liberia and Mexico with CSI.

Zinda Schaefer

Zinda Schaefer

Zinda Schaefer has worked in online marketing for over 20 years and recently retired from Nina Hale, Inc. Digital Marketing in Minneapolis. She is passionate about children’s health. Zinda is a long-time supporter of CSI and joined the board in 2018. She traveled on her first trip to Mexico in 2017.

Linda Sedgwick, RN
Pediatric Nursing and Community Building

Linda Sedgwick is experienced in pediatric health care, including outpatient primary care as a pediatric nurse practitioner, home care, inpatient care and research. Linda has been a volunteer for CSI since 2011, joining teams to Bangladesh, Ethiopia, Liberia and Vietnam. She joined the CSI Board in 2013. She and her family live in Minnetonka.

Todd Stinson

Todd Stinson has more than 25 years of corporate finance experience. He is currently a senior finance director at Medtronic supporting operations for the neurovascular, cerebrospinal fluid management and ENT businesses. Todd’s passion for children’s health has been bolstered by his experience as a parent of a childhood cancer survivor. He lives in Minneapolis with his wife and two children.

Norie Wilson, RN, PHN
Community-University Health Care Center

Norie Wilson is a nurse and Clinical Quality Analyst at the University of Minnesota, Community-University Health Care Center. Norie joined the CSI board in 2012 but has been been traveling with CSI for more than a decade. She’s been on medical missions to Bangladesh, Ethiopia, Haiti, Mexico, Peru, Tanzania and Tunisia. Norie lives with her family in Minneapolis.

James Zimmerman

James Zimmerman is director of global sourcing at Target with more than 20 years of experience in inventory planning, merchandising and sourcing. He has traveled with CSI in the logistics role to Ethiopia.