Our Leadership

Our Team

Meet the Philz Coffee leadership team committed to bettering days.

Mahesh Sadarangani
Chief Executive Officer

How I Philz: Ether straight up.

Mahesh has served as our Chief Executive Officer since joining the company in September 2021. Prior to joining Philz Coffee, Mahesh served as the Chief Operations Officer and Chief Development Officer at Wingstop. Mahesh also served in various Strategy, Operations, Finance, and Marketing roles at CEC Entertainment (parent of Chuck E. Cheese’s and Peter Piper Pizza), Greatwide Logistics, Reddy Ice, and FedEx Office.

Andy Mai
Chief Business Officer

How I Philz: Tesora, creamy oat milk.

Andy started with Philz in May 2022 and is responsible for Technology, Marketing, Supply Chain and the Roasting Plant. He has held previous executive positions at Torchy’s Tacos, California Pizza Kitchen, and Real Mex Restaurants. Additionally, Andy has consulted with various brands including sweetgreen, Pieology, Homestate Tacos, and Burger Lounge. He has served in various leadership, technical, operational, and marketing roles in the insurance, entertainment, and petroleum industries.

Patti Nelson
Chief Development Officer

How I Philz: Philtered Soul, light oat milk.

Patti has led real estate and growth at Philz since January 2022 as Chief Development Officer. She brings a deep understanding of the restaurant industry, with a proven track record of leading real estate, leasing, construction, and design. Prior to joining Philz Coffee, she was VP of Development for The Coffee Bean & Tea Leaf and VP of Leasing at Subway. Patti has more than 25 years of combined experience in the food & beverage industry including key development roles at Peet's Coffee & Tea, Burger King, and Tony Roma's.

Mark Johnson
Chief Operating Officer - Retail

How I Philz: Green Tea, Medium Cream, Medium Honey.

Mark joined Philz Coffee in July 2026 and leads retail operations, overseeing store performance and operational strategy. He brings more than 30 years of operations leadership experience across multiple brands in the food and restaurant industry. Most recently, at California Fish Grill, he played a key role in scaling operations as the brand expanded across the United States. Mark has built a reputation for operational excellence, developing high-performing teams, and driving sustainable growth while preserving brand identity and delivering an exceptional guest experience.

Andi Trindle Mersch
VP, Coffee Operations & Sustainability

How I Philz: New Manhattan or Jacob’s straight up.

Andi is a 30-year, specialty-coffee veteran who joined Philz in April 2014. She has traveled to coffee origin extensively, published numerous trade journal articles, and lectured globally on many topics in the coffee sector and more recently in sustainability. She has held many leadership and board roles within the broader specialty coffee industry and is currently serving as Treasurer on the Board of Directors for the Coffee Coalition for Racial Equity.

Jenn Teter
VP, People & Culture

How I Philz: Arabic with cinnamon, light oat milk and light sweet.

Jenn leads the People & Culture team at Philz. Joining Philz in September 2018, she brings over 25 years of HR and operational experience to Philz. In her previous roles as Regional Director of People Operations and Sr. Director of People Innovation at Joie de Vivre Hotels, Jenn led the HR functions and the HR technology transformation. In addition, Jenn has worked in multiple roles in operations at major hotel brands.

Jeff Oestriecher
VP, Finance & Strategy

How I Philz: Philtered Soul Cold Brew with medium oat milk and light sugar.

Jeff joined Philz in November 2021 and he leads the Financial Planning & Analytics (FP&A) and Strategy functions. In Jeff’s most recent experience, he served as Chief Operating Officer of Direct Access Capital, a specialty finance company operating in the residential mortgage market. In addition, he spent 12 years at FedEx Office in a variety of roles including Strategy & Operations Growth, Chief of Staff, and Real Estate Development.