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William Blair
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William Blair Investment Banking Summer Analyst Program

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Vault’s Verdict

William Blair is ideally looking for team players with technical competence who are also highly motivated, personable, humble, and intellectually curious. The firm offers interns hands-on live-deal experience, treating them like full-time analysts. This exposure accelerates learning but can come with a steep learning curve and demanding hours. Full-time junior bankers get access to early responsibility on lean deal teams, often “playing up,” taking on responsibilities beyond their titles, which results in rapid skill development but can also intensify workload.

The firm’s culture is collaborative and supportive, with colleagues who are approachable and invested in one another’s success. Informal mentorship is a strength, as senior bankers are accessible and actively involved in developing junior talent. Meanwhile, quality of life is relatively strong for investment banking, with flexible work arrangements, protected vacation time, and a genuine respect for employees’ lives outside work. Still, long hours and heavy meeting schedules can create challenges when it comes to maintaining work-life balance.

Compensation is competitive and merit-based, often above market, with all-cash salaries and bonuses. Benefits are also generous. While inclusion initiatives are strong, employees note that there is room for improvement at senior levels. As for William Blair’s business outlook, the firm’s collaborative culture continues to pay dividends through market cycles, and the firm is extremely well positioned in several industry and product sectors. In addition, insiders say the continued prioritization of growth creates development opportunities for employees.

EMPLOYEE REVIEWS

Hiring Process

  • “First round is a 30-minute virtual interview with two ASOs. Superday consists of three rounds of 30-minute in-person interviews with VPs/Partners. Ideal candidate is foremost personable and ‘commercial’ with technical competencies. Emphasis placed on people who will contribute positively to culture/environment.”
  • “The HR team calls candidates back within 24 hours to give offer. Denials are given over the following one to two weeks via email. Ideal candidate is someone down-to-earth, interested in credit, humble, and intellectually curious.”
  • “Very smooth internship recruiting process. Seeking highly motivated individuals who thrive in team environments and are enjoyable to work and socialize with.”
  • “Seeking someone who is well-rounded, motivated to learn, resourceful, personable, and capable with a good attitude and who we think can do the job well or learn to do it.”

Interview Questions

  • “Paper LBO walkthrough, strengths/weaknesses, merger model math, thematically what impacts DCF/other valuation methodologies.”
  • “Mix of technical and behavioral interview questions.”
  • “Walk me from revenue to levered FCF. Dividend recap scenario.”
  • “My suggestion for candidates is to be real and don’t have a prepared script that you use (no matter what the initial question is).”

Intern Experience

  • “Internship was extremely hands-on and I got direct live deal experience. Whole focus was to ensure by the end of the internship that you were operating like you were a first-year analyst. Culture was absolutely amazing.”
  • “Amazing culture, great internship experience. I was staffed on two lives deals and a coverage group and got hands-on experience working with analyst and associates. Real visibility into the roles/responsibilities of a full-time analyst. Given opportunities to own work throughout the internship and gain more responsibility.”
  • “People were great across the board—very genuine and wanted to make you feel supported during the process. The most challenging parts were the steep learning curve and demanding hours”
  • “Got to work on live deals, was given a significant amount of responsibility, and I enjoyed the teams I was on. They also set up a lot of social events for the interns to meet people and have a good experience.”

Career Development

  • “The senior bankers (who generally have significant tenure at William Blair) take the time to informally develop junior and mid-level bankers during deal processes and in general. I personally have many ‘mentor/mentee’ relationships from the analyst through the director ranks.”
  • “We offer a lot of training and some formal and informal mentorship, but at the end of the day, it’s always on the individual to drive their own career development. Sometimes we’re too loose with promotions at the lower levels and sometimes we’re too strict with promotions reaching the higher levels.”
  • “The firm does a great job at encouraging and even requiring ‘playing up’ given leaner staffing. This allows for ample room to move up above one’s role and handle more important responsibilities at the analyst and associate level. This also gives way to weeks/months where hours are a standard deviation or two above the mean for the role.”
  • “The firm has strong informal career development opportunities, meaning you can ask anyone up to MD level for help. On the other hand, sometimes the trainings are too general and not applicable to what we actually do on the job. You have to learn by doing.”

Quality of Life

  • “Pros: Very flexible, lack of facetime culture, can work from home whenever you need as long as you are completing your work. Very respectful of time off and accommodating personal situations as they come up. Team mentality and share the workload to cover when someone is out. Cons: Overemphasize meetings as primary source of communication; while face-to-face or video calls are important, there tends to be an automatic default to jump on a call versus hashing something out over email. This creates days that are stacked with meetings and you can’t actually do work until later in the evening.”
  • “The leveraged finance group at William Blair has an incredible respect for life outside of work, mandatory and respected vacation time, and great support for those wishing to take time off for trips. Sometimes you have to cover for others or log on while on vacation (but minimally), which is just what happens sometimes when you’re in banking, but it's never ruined a trip.”
  • “I appreciate that Blair recognizes that we are people outside of our jobs and that the firm invests in its employees for the long haul. This goes all the way back to our long-term legacy as a partnership and persists to this day. We have always been long-term in our approach unlike other banks and that is reflected in our culture in and in our approach to our employees and how we view quality of life.”
  • “Quality of life is a huge focus for the firm. Vacation time is monitored to make sure everyone takes their time off. Team orientation helps people to actually get away.”

Salary and Benefits

  • “At or above Street for compensation and it is fairly awarded based on merit (not based on favoritism, recency bias, or seniority). Benefits: One item I wish would be fully covered, similar to other banks, is healthcare premiums. Right now, the firm covers some, but not all of the premiums. Other than this, benefits and perks are in-line with the Street.”
  • “We are paid 100 percent in cash every year, and the compensation methodologies are more meritocratic than at other firms. We typically pay above the median of our peer banks, and the best performers at the mid-levels do very well, even compared to bulge bracket firms.”
  • “Market salary, comfortable with bonus, PTO religiously adhered to/respected as protected time. Past year I enjoyed a one-month paid sabbatical and actually found myself eager to return to WB. I missed my teammates and working through projects that I enjoy.”
  • “Compensation and benefits are comprehensive. I am satisfied with salary and bonus. Benefits include HAS, which is always a plus.”

Inclusion Efforts

  • “Highly diverse workforce. There are internal groups for inclusion across race, ethnicity, etc., and there is a focus on recruiting and retaining talent that reflects a culture of inclusivity.”
  • “Professionally and socially, my firm is amazing in terms of diversity and inclusion. However, it would be nice to see more diversity at a senior level, especially someone of color as we have no one on our team. Specifically, little to no women of color at the top.”
  • “There is a strong effort to create communities for underserved individuals and the firm actively seeks out hiring from underserved groups.”
  • “Not many women or LGBTQ+ individuals in our ranks, but people are generally supportive. As a women, it feels odd to not have any senior women around the NYC office.”

Business Outlook

  • “Our collaborative culture continues to pay dividends through market cycles, and we are extremely well positioned in many industry and product sectors.”
  • “Leadership is transparent, proactively shares information, and is incredibly receptive to feedback (which they solicit from us very often). I feel listened to, appreciated, and supported.”
  • “We have a great culture, momentum, and team. We’ve been adding a lot of people across product verticals to support various transactions.”
  • “Our head of banking is an outstanding leader and integrator, and our firm has always prioritized growth, which creates development opportunities for its employees.”

UPPERS

  • “Culture—all the people genuinely care about each other both professionally and personally, and it’s a very collaborative atmosphere.”
  • “Strong career advancement opportunities, mentorship, access to senior leadership, ability to take on increasing workload, and early access to clients.”
  • “All cash pay and bonus.”

DOWNERS

  • “You can work long hours for a prolonged period of time.”
  • “Lean deal teams.”
  • “Demanding/tough industry (not specific to the firm).”
William Blair

The William Blair Building
150 North Riverside Plaza
Chicago, IL 60606
Phone: (312) 236-1600

Firm Stats

Employer Type: Private
CEO: Brent Gledhill
2026 Employees (All Locations): 1,900

Major Office Locations

National
Global

Major Departments & Practices

Investment banking
Investment management
Private Wealth Management