When should I start looking for a PhD supervisor?

Twelve to eighteen months before the start date you want. Scholarship competitions frequently close nine to twelve months ahead, referees need several weeks of notice, and the exchange with a supervisor who then supports your application takes a month or two on its own. Advertised funded positions run on shorter cycles, but relying only on those narrows your options sharply.

How do I know whether a professor is taking students?

Check the group page, which often states it outright, then the department's admissions page, which tells you whether students apply to a project, to a supervisor or to a programme. Recent papers help too: a group with new first authors every year is clearly recruiting. If none of that settles it, a short email asking directly is normal and expected.

Should I contact a supervisor before applying to the programme?

It depends on the route. Where you apply to a cohort and choose a supervisor later, an email is optional and sometimes explicitly discouraged, so read the admissions page first. Where you arrive with your own project, contacting a supervisor is not optional, it is the whole first step. Where a specific funded project is advertised, a short email before applying is welcome and usually improves the application.

Can I do a PhD without a master's degree?

It depends entirely on the country and the programme. Much of continental Europe treats a master's as the standard entry requirement. Many programmes in the United States admit students directly from a bachelor's and award a master's along the way. The United Kingdom varies by field and by funding source. Check the specific programme page rather than the general rule for the country.

Does the supervisor finder tell me who is recruiting?

No. It reads the document you upload and shortlists researchers publishing on the same topic, with the overlap stated for each name. Nothing in the public publication record says who has a place, a stipend or the time to supervise, so the shortlist is the first filter and not the last one. Verifying openings on the group and department pages is your step, and the tool never contacts anyone.

How to Find a PhD Supervisor

The route from a research interest to an accepted offer, in the order it actually happens: where to look, what to verify about a group, how to build a shortlist you can work, and what each application route asks of you.

Finding a supervisor is not one decision, it is a sequence: build a pool of names, check each group against things you can verify from the outside, work out where the money is, then apply on whichever of the three routes your target countries use. Most applicants compress that into one step, send twenty near-identical emails, and conclude that nobody answers. This guide walks the sequence. The wording of the first email is in the first email templates, the warning signs are in supervisor red flags, and the separate question of which programme to join is in how to choose a PhD programme.

Step 1: where the names come from

You are looking for researchers who are working on your problem now, not for the most famous person in the field. Five sources produce almost every viable name, and the first one is already on your desk.

The reference list of the two or three papers closest to what you want to do, filtered to the authors whose methods you want to learn rather than the ones you cited for background.; The papers that cite those key papers, which surfaces the groups working on the same question right now instead of the ones who worked on it five years ago.; Programmes of the last two or three conferences in your area, including workshops and poster sessions. This is where early-career group leaders appear, and they are more likely to have both time and a new project.; Position boards, where a funded doctorate is advertised as a job: EURAXESS for Europe, plus the national and institutional boards for your target countries, and the vacancy pages of individual doctoral schools.
The people around you: ask your master's supervisor, a postdoc in your current group, or the author of a paper you liked for two names each. A referral costs them nothing and gets your email opened.; Our PhD supervisor finder does the first two of these from a document: upload a proposal or a close paper and it shortlists authors from the public literature with the overlap stated. It suggests names to you and nothing else, so it does not know who is recruiting or who has funding.

Step 2: read the group before it becomes a shortlist

A name becomes a candidate only after twenty minutes of reading. Everything below is public and takes one visit to the group page and one search of a bibliographic database. The point is not to grade the supervisor, it is to work out whether the project you want exists there.

Recent output, meaning the last three years. A long career total with nothing since 2022 usually means the group has moved on, closed, or lost its funding.; Who is first author on those recent papers. New first-author names appearing every year is the sign of a group where students lead their own work and finish it.; Group size, from the people page. A large group means more peers, more equipment and less of the supervisor's individual time. A small one means the reverse. Neither is better in the abstract, but you should know which one you are joining.; The alumni list, if there is one, and where those people went. A group that publishes its former students and their destinations is telling you something a ranking cannot.
The funding acknowledged in recent papers: the grant names and the agencies. That is the clearest public evidence that money is flowing through the group.; The supervision itself is the one thing you cannot read off a page. In the United Kingdom, some supervisors hold recognition under the UKCGE Good Supervisory Practice Framework, which is a signal where it exists, but in most countries there is no equivalent and you have to ask current students instead.

Step 3: find out whether the money exists, and whose it is

Funding is the question that decides whether an enthusiastic reply turns into a place, and it is the one applicants ask about last. There are three shapes it comes in, and each changes what you should write.

An advertised funded position: the project, the duration and the salary or stipend are in the vacancy text. You are applying to a job with a deadline, and the supervisor already has the money.
A programme-level scholarship competition: the department admits students and then nominates them for a funding round with its own deadline, often six to nine months before the start date. Here the supervisor's support matters but the competition is against other applicants.; Nothing yet, meaning the supervisor would need to find funding or you would need to bring your own from a national scheme, an employer or a government scholarship. This is a real route in many countries and a dead end in others, so establish it early rather than after three friendly exchanges.; Ask directly and specifically. Not "is funding available" but "is this a funded position, and if not, which scheme would I be applying to and when does it close". A supervisor who cannot answer that in one line either does not have the money or has not thought about you as a candidate yet.; Check the currency of the offer against the cost of living in that city, and check whether the funding covers the full expected duration of the doctorate. Funding that ends a year before the thesis does is a common and predictable problem.

Step 4: build a shortlist you can actually work

A shortlist is not a list of everyone plausible. It is the set of people you will write individual emails to, which puts a hard limit on its size, because an email that is obviously personal takes half an hour to write and the generic version does not work at all.

Aim for eight to twelve names, ranked. Ten well-targeted emails beat forty identical ones, and the difference is visible in the reply rate.; Spread the list across countries and application routes, so that a single funding round closing without you does not end the year.
Keep one row per candidate in a sheet: name, group, route, deadline, the specific paper you will reference, the date you wrote, the date you followed up. You will need it in three months when replies arrive out of order.; Put the two candidates you most want at positions three and four, not at position one. Your first email is your worst email, and you want to have written two before you send the one that matters.; Do not send to two people in the same group at the same time. They talk to each other, and it reads as a mass mailing even when it is not.

Step 5: what each route asks you to submit

The three application routes ask for genuinely different work, and preparing the wrong one is the most expensive mistake in the process. Establish which route a target uses before you start writing anything longer than an email.

Applying to an advertised project: a CV, a cover letter tied to that project, sometimes a short statement of interest, and referees. No original proposal is expected, and submitting one can read as a refusal to work on the advertised question.
Applying to a programme or cohort: a personal statement, transcripts, standardised test scores in some countries, three referees, and a research statement that shows you can think rather than a fixed project you are locked into.
Arriving with your own project: a research proposal of typically three to ten pages depending on the institution, plus a supervisor who has already agreed in writing to take you. This route runs on the email exchange first and the paperwork second.; Referees in every case, which means asking two or three people well in advance and giving them your CV, the list of targets and the deadlines. A referee chased at 48 hours notice writes a short letter.; Start twelve to eighteen months before the intended start date. Scholarship deadlines commonly fall a year ahead, and the funded positions that appear at short notice are the exception rather than the norm.

Step 6: after you send, and how offers actually arrive

The last stretch is mostly waiting, and it is the part where good candidates talk themselves out of the process. Replies are slow, silence is ambiguous, and offers arrive with deadlines attached.

No reply after ten to fourteen days is normal and usually means a full inbox. Send exactly one follow-up, using the follow-up templates, and then move on.; An informal call is the real first interview even when it is called a chat. Come with two questions about the science and two about the practicalities: funding duration, group size, what a first year looks like.; Ask to speak to a current student and a former one before you accept anything. Supervisors who say yes immediately are giving you information; so are the ones who do not.
Get the important things in writing: the funding source and its end date, the expected duration, who the second supervisor or monitoring committee is, and the start date.; When two offers land at different times, say so plainly and ask for an extension. It is a normal request and it is asked every year, though whether it can be granted depends on the funder rather than on the supervisor.

Frequently asked questions

Eight to twelve, each with an individually written email, is a realistic target for one application season. Response rates to unsolicited academic email are low everywhere, and the usual cause of no reply is workload rather than a judgement on you. Sending forty copies of the same message performs worse than ten specific ones, because the generic version is recognisable in the first two lines.