Our Executive Superheroes

Rohan Thambrahalli
Founder and President
Keep the main thing the main thing.

Founder and President of UpstartWorks, Rohan Thambrahalli has made it his goal to develop a culture that embodies the builder who delivers best-in-class value to customers and partners. UpstartWorks is Rohan’s greatest personal and professional achievement, it was his vision from the beginning to start a company that could provide vendors the reach, technology, scale, and capabilities to compete with the best brands in the world.

Rohan holds a bachelor’s degree in MIS and Economics from Depaul University. In his free time, Rohan enjoys reading business journals and articles.

Justin McMillan
Chief Operating Officer
Culture is the most important part of a business, and a good team can overcome any obstacle.

Justin McMillan is our Chief Operating Officer responsible for managing the overall business with a focus on vendor operational performance enhancement. He also oversees Amazon advertising consultation and campaign management. During his time at UpstartWorks, Justin has been recognized as a standout for ensuring the live status for in-network and direct fulfillment purchase orders, during a period of aggressive change for Amazon. Where other vendors struggled, Justin protected all of our vendors and exceeded delivery expectations during a time of question and uncertainty.

Justin holds a bachelor’s degree in Computer Science from Depaul University. Outside of work, Justin is a self-proclaimed outdoorsman and is constantly looking for an excuse to get as far North into the wilderness as possible.

 Justin’s view on UpstartWorks

“UpstartWorks was created to be more than a single software, platform, or solution company. We consider ourselves a full-service shop and take great pride in addressing every client issue as if it was our own. Today’s form of distribution is a convoluted and over-penetrated space. Brand owners are struggling to manage their sales channels and eCom tends to funnel a specific value add from weak distribution partners. It takes a comprehensive strategy for all channels to manage it effectively and while eCom is often just a piece of the overall business, it requires more engagement, more software, and more expertise to manage effectively; not only to grow it, but to protect respectable channel partners as well.”

Vikram Bhatia
GM – Asia & Middle East
Don’t worry about failure. You only have to be right once. – Drew Houston

Vikram has over 2 decades of rich & extensive experience entailing Acquisition, Customer Experience, Stakeholder & Relationship Management, Operations, Business Transformation, Program Management, Automation & Digitization, etc.


He holds a bachelor’s degree in Commerce, has completed the General Management Program from the Indian Institute of Management – Ahmedabad (IIM), and holds a Certified Manager accreditation from Harvard Business Publishing.


Vikram is an avid wildlife and nature enthusiast, loves music (mostly Indian!), and likes to spend his spare time with his pet dog or going out with friends for fishing, eating, and drinking beer. He is born and brought up in Mumbai, India, but has been living and working in Dubai for the last 15 years.

Walt Sedlacek
VP of Product and Marketing
You can achieve what you believe!

Walt Sedlacek is our Vice President of Product and Marketing. Internally known as our “product guy”, Walt oversees all product related activities from launching new companies with innovative products, to sourcing, product line positioning, and business logistics.

Walt has launched $200+MM in new products for great companies like Black & Decker, GE, and American Tool. He also brings the entrepreneurial side to our business, having successfully started and sold 5 product related companies. He recently developed and launched a top selling lighting product on Amazon.com.

Walt holds a Marketing degree from University of Illinois and believes that watching his 4 children grow up, is his greatest pride in life.

 Walt’s view on UpstartWorks

“I’m a marketing product guy, and I’m attracted to finding innovative business solutions. UpstartWorks shows tremendous potential and has a powerhouse team behind it. I have no doubt that we will continue to exceed expectations above and beyond. There’s no limit!”

Erin Usher
Director of Client Management
Don’t wait for opportunity. Create it.

Erin Usher is our Brand Portfolio Manager who manages all aspects of Vendor account activity on Amazon. Erin was a key member in securing the marketing strategy and launch of the OV LED Headlamp, Amazon’s #1 selling item.

Erin holds a bachelor’s degree in Industrial Engineering from the University of Wisconsin-Madison. In addition to her contributions at UpstartWorks, Erin is a practiced Yogi and believes in mental and physical wellness.

 Erin’s view on UpstartWorks

“The eCommerce market moves quickly and is always changing. UpstartWorks does more than just keep up in a fast environment. We stay ahead and set the pace. I appreciate the challenge of solving for tomorrow’s problems and am lucky to work with a team of people who have the agility and work ethic to make a change.”

Ryan Barron
Brand Marketing Manager
Discomfort provokes growth

Ryan Barron is our Brand Marketing Manager who oversees all creative content efforts as they satisfy the requirements of the Amazon platform. Ryan has earned the “Best-in-class Content” Award in 2018 on behalf of Adesso Home, in the Amazon Home Category.

Ryan holds a bachelor’s degree in Communication from the University of Illinois Urbana-Champaign. Amongst many of his talents, Ryan is also a vocalist in the Chicago-based Bill Pollack Orchestra.

 Ryan’s view on UpstartWorks

“UpstartWorks is living, breathing proof that people can accomplish anything as long as they’re willing to put in the work. What began as an idea has now become an accomplished and quickly growing business well positioned to continue guiding partners through new challenges and unprecedented trends. The people at the core of UpstartWorks not only understand what the bottom line is, they are also willing to do the heavy lifting required to stay well above it. ”

Esther Raymond
Creative Media Coordinator
I am always concerned with making things visually appealing

Esther Raymond is our Creative Media Coordinator responsible for helping our partners grow their business by optimizing their online content. Esther’s top focus is to present a streamlined brand presence online. Esther is visually inspired and has an unmatched eye for detail that shows up in all of her work.

Esther holds a bachelor’s degree in Journalism and Mass Communications with minors in both Business and Art from the University of Kansas. Esther joins the Upstart team out of college after a strong demonstration during her internship in 2018. We are thrilled to have her on our team. Outside of work, Esther is an Artist and enjoys drawing and sketching recreationally.

 Esther’s view on UpstartWorks

“I chose to work for UpstartWorks because of the team. This group of people is really excited and passionate about what they do. I feel motivated to work just as hard as the people around me here.”

Hannah Frentzel
Brand Portfolio Manager
“The road to success is always under construction.” - Lily Tomlin
Hannah Frentzel is our Brand Portfolio Manager. Hannah is responsible for leading vendor strategic planning meetings, creating world-class marketing executions, and providing detailed reporting and analysis to grow our vendor’s traffic, conversion and brand awareness. Her past experience in retail logistics helps Hannah approach her role with an effective combination of critical thinking and hands-on problem solving.
Hannah holds a Bachelor Of Science in Business Management and Marketing from Truman University. When she isn’t in the office, she enjoys the outdoors, playing guitar and cooking breakfast.
Evan Cahill
Brand Portfolio Manager
Attention to detail and consistency help pave the way for success.

Evan graduated from Indiana University’s Kelley School of Business with a major in Business Management. After graduation, he began working at Kohl’s as an Analyst where he gained valuable B&M and E-commerce skills and developed a passion for retail. As a Brand Portfolio Manager, Evan is dedicated to helping you grow your business. Outside of work, he enjoys writing music, playing the guitar & piano, and watching sports.

Tevin Kimble
DC warehouse Manager
“If opportunity doesn’t knock then build a door and walk through it.”-Milton Berle

Tevin Kimble has joined UpstartWorks as DC Warehouse Manager. He will add immense value to make UpstartWorks’ warehouse operations a success. Tevin comes with a rich operational experience as a supervisor at Amazon, where he helped launch MDW6 in Romeoville, managed the inbound and outbound dock operations, was responsible for the yard and accuracy and corresponding with multiple shipping companies.


Besides being a taskmaster, Tevin is a musician and play drums. He also helps manage his younger brother who is a recording artist.

Scenobia Sherman
Desk Manager
Dive deep and improve the process.

Scenobia Sherman has joined UpstartWorks Warehouse team as Desk Manager. Scenobia will be responsible for routing, invoicing, and processing shipments to ensure on-time delivery of orders to customers. Scenobia, comes with a 4 year experience at Amazon where she started as a tier one pack associate, but because of her ability to produce high rates in every process at Amazon, became an Ambassador for the company and later a tier three Process Assistant Supervisor. She has trained 100+ associates to pack, rebin, and work in the BOD (box on demand) area.


When not working, she loves spending time with her son and family.

Miya Dotson
Brand Ambassador
People are the details you simply can’t forget.

Miya Dotson is our Brand Ambassador who is responsible for building and expanding UpstartWorks’s brand equity and reach through strategic marketing efforts, mainly, but not limited to Social Media and SEO.

Miya holds a bachelor’s degree in Marketing and Finance from the University of Pittsburgh, where she was also a NCAA DI Gymnastics Student-Athlete. Outside of work, Miya coaches gymnastics at a local gym in Seattle as a way of giving back to the sport she feels like defined her

 Miya’s view on UpstartWorks

“I believe in providing the best business solutions for customers who want a chance to compete in the online space. UpstartWorks’s expertise is unmatched, and the people are the reason why. I have never seen more capable, driven, and passionate individuals move mountains the way that the UpstartWorks team does. ”

Valerie Browne
Brand Portfolio Manager
Learning never exhausts the mind - Leonardo DaVinci

Valerie Browne is our Brand Portfolio Manager and is responsible for helping vendors manage and grow their business through e-commerce platforms. Her previous roles within e-commerce include two account management positions at Groupon. As a business professional and an artist, she is always seeking to bridge the analytical with creativity and is dedicated to using both data analytics and content to help our vendors and team achieve excellence. Valerie holds a Bachelor in Fine Arts degree with a focus in painting and studio arts from The School of the Art Institute of Chicago. When not in the office, Valerie enjoys painting, visiting museums, and photographing her travels with her fiancé.

Advisory Board