Mimi
Lo.

There is a specific kind of professional that fast-growing startups recruit carefully and rarely discuss publicly: the person who makes sure the CEO can actually do the job. Mimi Lo holds that role at Legion Technologies, where she serves as Chief of Staff to founder and CEO Sanish Mondkar. In a company raising $100 million in a single calendar year - two separate $50M rounds in 2024 - that role is less "calendar management" and more "keep the whole organism pointed in the same direction at high speed."

Legion Technologies builds AI-powered workforce management software for the hourly workforce - the people who stock grocery shelves at 4 AM, check patients into emergency rooms, and take drive-through orders during the lunch rush. The platform handles scheduling, demand forecasting, time and attendance, and employee engagement, and it claims to deliver 13x ROI for the businesses that deploy it. The company has appeared on the Inc. 5000 and Deloitte Fast 500 lists three consecutive years running, posting 374% average growth over that stretch.

Lo joined Legion with a resume that most startup operators would need a second page to contain. Her path through investment banking, pharmaceutical investor relations, expert network management, and multinational operations management is the kind of background that produces someone who can sit comfortably in a board meeting or a cross-functional crisis and know what's actually important.

Lo's career did not follow a single vertical. She started in the numbers - a BS in Accounting and Finance from NYU's Stern School of Business, followed by early roles in investment banking at BDO Seidman Alliance and Merrill Lynch. This is where you learn to read a business from the outside in: what makes a company investable, what the market cares about, and how to translate operational reality into financial narrative.

From banking, she moved into investor relations at Medtronic, the medical device giant, and later at Herbalife, the nutrition company. IR at large public companies is a different skill set from banking - you are now the bridge between the company's internal story and the external capital markets audience. You learn how executives communicate under pressure, what institutional investors actually want to hear, and what happens when the two are misaligned.

At GLG - Gerson Lehrman Group, the expert network and intelligence platform - she moved into a Vice President role in public equity. GLG sits at an interesting intersection: connecting investment professionals with industry experts, which means understanding how sophisticated capital allocators think and what information edges they are actually seeking.

Then came the inflection point: Chief of Staff at Shanda Group. Shanda is a Shanghai-based investment and technology conglomerate - best known in gaming history for operating some of China's earliest massive multiplayer online games and for extensive media and real estate holdings. Running operations across three business groups, six offices, and four countries is not a job description; it is a gauntlet. The colleague quote is the most revealing data point in her career record: keeping those trains running is the kind of achievement that goes unnoticed until something breaks.

Lo's academic background mirrors her career's dual fluency: finance and strategy on one hand, healthcare operations on the other. She started with accounting and finance at one of the most rigorous business schools in the country, then layered on a healthcare-focused MBA at one of the most selective programs in the field. That combination - hard numbers paired with sector-specific domain knowledge - is a relatively rare combination in the Chief of Staff gene pool.

Legion Technologies makes software for a workforce that most enterprise software ignores: the people who work by the hour. Retailers, hospitals, restaurants, and logistics companies use Legion's platform to forecast labor demand, build optimized schedules, manage time and attendance, and keep employees engaged enough not to quit. Attrition in hourly roles runs 150% or more annually in some sectors - and the cost of replacing a single frontline worker can reach $3,000 to $5,000 when you account for recruiting, training, and lost productivity. Legion's pitch is that smarter scheduling reduces attrition, which reduces cost, which generates the 13x ROI the company advertises.

The company is led by Sanish Mondkar, who spent years as Chief Product Officer at SAP and Ariba before founding Legion. It is backed by Riverwood Capital, Norwest Venture Partners, First Round Capital, Stripes, and Workday Ventures - a who's who of enterprise SaaS investors. In 2024 alone, Legion raised $100 million: a $50M growth round from Riverwood Capital in May, and another $50M from Silicon Valley Bank (a division of First Citizens Bank) in December.

Running a company through $100M in fundraising in twelve months, while also executing the product vision and managing a team of 250, requires a specific kind of organizational architecture. That's what a Chief of Staff is for.

The Chief of Staff title is used loosely in Silicon Valley. Sometimes it means "the CEO's scheduler with a loftier title." Sometimes it means "the person who runs the things the CEO is too busy to run." At a company growing at 374% annually and raising money at Legion's velocity, it almost certainly means the latter.

Lo's background suggests she was brought in precisely because she has seen company operations from enough angles to understand what actually matters at each stage: the investor lens from her IR years, the cross-functional operational lens from Shanda, the institutional credibility of two strong business school credentials, and the sector depth to understand where enterprise SaaS companies break down when they scale.

The workforce management category is heating up. Predictive scheduling laws are expanding across US states. Labor costs are a primary concern for every retail and hospitality operator. AI-native platforms like Legion are positioned to displace older, slower WFM incumbents built for a different era. The next 24 months will be critical for Legion's market position - and the Chief of Staff will be in the middle of most of those decisions.